fly

1 of 5

verb (1)

ˈflī

flew ˈflü

; flown ˈflōn How to pronounce fly (audio)

; flying

intransitive verb

: to move in or pass through the air with wings

bees flying around the hive

: to move through the air or before the wind or through outer space

bullets flying in all directions

: to float, wave, or soar in the air

flags flying at half-mast

: to take flight : flee

was forced to fly for his life when his enemies came into power

: to fade and disappear : vanish

mists flying before the morning sun

: to move, pass, or spread quickly

rumors were flying

: to be moved with sudden extreme emotion

flew into a rage

: to seem to pass quickly

the time simply flew

: to become expended or dissipated rapidly

After he became established in the town, his inheritance flew.

: to operate or travel in an airplane or spacecraft

They flew to Florida for their vacation.

: to work successfully : win popular acceptance

knew … a pure human-rights approach would not fly

Charles Brydon

transitive verb

: to cause to fly, float, or hang in the air

flying a kite

: to operate (something, such as a balloon, aircraft, rocket, or spacecraft) in flight

: to journey over or through by flying

flew the Atlantic

: to flee or escape from

The bird had flown its cage.

: avoid, shun

fly such a talkative woman

: to transport by aircraft or spacecraft

Supplies were flown to the disaster area.

fly

2 of 5

noun (1)

plural flies

: the action or process of flying : flight

: a device consisting of two or more radial vanes capable of rotating on a spindle to act as a fan or to govern the speed of clockwork or very light machinery

: flywheel

flies plural : the space over a theater stage where scenery and equipment can be hung

: something attached by one edge: such as

: a garment closing concealed by a fold of cloth extending over the fastener

b(1)

: the length of an extended flag from its staff or support

(2)

: the outer or loose end of a flag

: a baseball hit high into the air

: flyleaf

: a sheet of material (such as canvas) that is attachable to a tent for use as a double top or as a rooflike extension

: a football pass pattern in which the receiver runs straight downfield

fly

3 of 5

verb (2)

flied; flying

intransitive verb

: to hit a fly in baseball

fly

4 of 5

noun (2)

plural flies

: a winged insect

—usually used in combination

mayfliesbutterfly

: any of a large order (Diptera) of winged or rarely wingless insects (such as the housefly, mosquito, or gnat) that have the anterior wings functional, the posterior wings reduced to halteres, and segmented often headless, eyeless, and legless larvae compare maggot

: a large stout-bodied fly

: a fishhook dressed (as with feathers or tinsel) to suggest an insect

fly

5 of 5

adjective

chiefly British

: keen, artful

Phrases

fly at

: to assail suddenly and violently

He flew at me in a rage.

: to fly an airplane solely by instruments

fly high

: to be elated

She was flying high after winning the contest.

fly in the face of or fly in the teeth of

: to stand or act forthrightly or brazenly in defiance or contradiction of

His explanation flies in the face of the evidence.

on the fly

: in motion : busy

: while still in the air : without the ball bouncing

the home run carried 450 feet on the fly

: in a hurry and often without preparation : hastily, spontaneously

making decisions on the fly

: simultaneously with another task

software that handles formatting on the fly

fly in the ointment

: a detracting factor or element

Word History

Etymology

Verb (1) and Noun (1)

Middle English flien, from Old English flēogan; akin to Old High German fliogan to fly and probably to Old English flōwan to flow

Noun (2)

Middle English flie, from Old English flēoge; akin to Old High German flioga fly, Old English flēogan to fly

Adjective

probably from fly entry 1

First Known Use

Verb (1)

before the 12th century, in the meaning defined at intransitive sense 1a

Noun (1)

before the 12th century, in the meaning defined at sense 1

Verb (2)

1893, in the meaning defined above

Noun (2)

before the 12th century, in the meaning defined at sense 1

Adjective

1811, in the meaning defined above

Kids Definition

fly 1 of 3

verb

ˈflī

flew

ˈflü

; flown

ˈflōn

; flying

: to move in or pass through the air with wings

Birds and airplanes fly.

: to move through the air or before the wind

Paper was flying in all directions.

: to float or cause to float, wave, or soar in the wind

fly a kite

fly a flag

: to run away : flee

… calling out to him to fly, for God's sake, by the window …

Charles Dickens, The Cricket on the Hearth

: to pass or move swiftly

Time flies.

Cars were flying past us.

: to operate or travel in an aircraft

fly a jet

I'm flying home today.

: to become suddenly emotional

He flew into a rage.

fly

2 of 3

noun

plural flies

: a flap of material to cover a fastening in a garment

: a layer of fabric that goes over the top of a tent

: a baseball hit very high

fly

3 of 3

noun

plural flies

: any of a large group of mostly stout-bodied two-winged insects (as the housefly)

: a winged insect

Hint: Sense 2 of fly is usually used in combination. dragonfly firefly

: a fishhook made to look like an insect

单词	fly at
释义	fly 1 of 5 verb (1) ˈflī flew ˈflü ; flown ˈflōn ; flying intransitive verb 1 a : to move in or pass through the air with wings bees flying around the hive b : to move through the air or before the wind or through outer space bullets flying in all directions c : to float, wave, or soar in the air flags flying at half-mast 2 a : to take flight : flee was forced to fly for his life when his enemies came into power b : to fade and disappear : vanish mists flying before the morning sun 3 a : to move, pass, or spread quickly rumors were flying b : to be moved with sudden extreme emotion flew into a rage c : to seem to pass quickly the time simply flew 4 : to become expended or dissipated rapidly After he became established in the town, his inheritance flew. 5 : to operate or travel in an airplane or spacecraft They flew to Florida for their vacation. 6 : to work successfully : win popular acceptance knew … a pure human-rights approach would not fly Charles Brydon transitive verb 1 a : to cause to fly, float, or hang in the air flying a kite b : to operate (something, such as a balloon, aircraft, rocket, or spacecraft) in flight c : to journey over or through by flying flew the Atlantic 2 a : to flee or escape from The bird had flown its cage. b : avoid, shun fly such a talkative woman 3 : to transport by aircraft or spacecraft Supplies were flown to the disaster area. fly 2 of 5 noun (1) plural flies 1 : the action or process of flying : flight 2 a : a device consisting of two or more radial vanes capable of rotating on a spindle to act as a fan or to govern the speed of clockwork or very light machinery b : flywheel 3 flies plural : the space over a theater stage where scenery and equipment can be hung 4 : something attached by one edge: such as a : a garment closing concealed by a fold of cloth extending over the fastener b(1) : the length of an extended flag from its staff or support (2) : the outer or loose end of a flag 5 : a baseball hit high into the air 6 : flyleaf 7 : a sheet of material (such as canvas) that is attachable to a tent for use as a double top or as a rooflike extension 8 : a football pass pattern in which the receiver runs straight downfield fly 3 of 5 verb (2) flied; flying intransitive verb : to hit a fly in baseball fly 4 of 5 noun (2) plural flies 1 : a winged insect —usually used in combination mayfliesbutterfly 2 a : any of a large order (Diptera) of winged or rarely wingless insects (such as the housefly, mosquito, or gnat) that have the anterior wings functional, the posterior wings reduced to halteres, and segmented often headless, eyeless, and legless larvae compare maggot b : a large stout-bodied fly 3 : a fishhook dressed (as with feathers or tinsel) to suggest an insect fly 5 of 5 adjective chiefly British : keen, artful Phrases fly at : to assail suddenly and violently He flew at me in a rage. fly blind : to fly an airplane solely by instruments fly high : to be elated She was flying high after winning the contest. fly in the face of or fly in the teeth of : to stand or act forthrightly or brazenly in defiance or contradiction of His explanation flies in the face of the evidence. on the fly 1 : in motion : busy 2 : while still in the air : without the ball bouncing the home run carried 450 feet on the fly 3 : in a hurry and often without preparation : hastily, spontaneously making decisions on the fly 4 : simultaneously with another task software that handles formatting on the fly fly in the ointment : a detracting factor or element Synonyms Verb (1) aviate glide plane soar wing See all Synonyms & Antonyms Word History Etymology Verb (1) and Noun (1) Middle English flien, from Old English flēogan; akin to Old High German fliogan to fly and probably to Old English flōwan to flow Noun (2) Middle English flie, from Old English flēoge; akin to Old High German flioga fly, Old English flēogan to fly Adjective probably from fly entry 1 First Known Use Verb (1) before the 12th century, in the meaning defined at intransitive sense 1a Noun (1) before the 12th century, in the meaning defined at sense 1 Verb (2) 1893, in the meaning defined above Noun (2) before the 12th century, in the meaning defined at sense 1 Adjective 1811, in the meaning defined above Phrases Containing fly bee fly crane fly face fly flesh fly fly-by-nighter fly-by-night fly front fly in the face of fly into fly off the rack fly off the handle fly net fly sheet fly the coop fly whisk fly-strike go fly a kite Hessian fly Mediterranean fruit fly lantern fly no-fly zone pigs might fly robber fly pop fly sacrifice fly stable fly sparks fly test-fly stone fly when pigs fly wouldn't hurt a fly caddis fly dry fly fly-on-the-wall fly agaric vinegar fly fly ash fly ball syrphid fly fly fisherman fly rod scorpion fly fly dope fly casting fly into a rage fruit fly fly fishing fly-by-wire horn fly heel fly fly at two-winged fly fly gallery fly in the ointment fur fly harvest fly sac fly warble fly tsetse fly ichneumon fly fly in the teeth of fly blind fly fish on the fly sand fly Spanish fly fly high let fly See More bee fly crane fly face fly flesh fly fly-by-nighter fly-by-night fly front fly in the face of fly into fly off the rack fly off the handle fly net fly sheet fly the coop fly whisk fly-strike go fly a kite Hessian fly Mediterranean fruit fly lantern fly no-fly zone pigs might fly robber fly pop fly sacrifice fly stable fly sparks fly test-fly stone fly when pigs fly wouldn't hurt a fly caddis fly dry fly fly-on-the-wall fly agaric vinegar fly fly ash fly ball syrphid fly fly fisherman fly rod scorpion fly fly dope fly casting fly into a rage fruit fly fly fishing fly-by-wire horn fly heel fly fly at two-winged fly fly gallery fly in the ointment fur fly harvest fly sac fly warble fly tsetse fly ichneumon fly fly in the teeth of fly blind fly fish on the fly sand fly Spanish fly fly high let fly See More Kids Definition fly 1 of 3 verb ˈflī flew ˈflü ; flown ˈflōn ; flying 1 : to move in or pass through the air with wings Birds and airplanes fly. 2 : to move through the air or before the wind Paper was flying in all directions. 3 : to float or cause to float, wave, or soar in the wind fly a kite fly a flag 4 : to run away : flee … calling out to him to fly, for God's sake, by the window … Charles Dickens, The Cricket on the Hearth 5 : to pass or move swiftly Time flies. Cars were flying past us. 6 : to operate or travel in an aircraft fly a jet I'm flying home today. 7 : to become suddenly emotional He flew into a rage. fly 2 of 3 noun plural flies 1 : a flap of material to cover a fastening in a garment 2 : a layer of fabric that goes over the top of a tent 3 : a baseball hit very high fly 3 of 3 noun plural flies 1 : any of a large group of mostly stout-bodied two-winged insects (as the housefly) 2 : a winged insect Hint: Sense 2 of fly is usually used in combination. dragonfly firefly 3 : a fishhook made to look like an insect Medical Definition fly noun ˈflī plural flies 1 : a winged insect —usually used in combination emerging mayflies a large butterfly 2 a : any dipteran fly called also true fly, two-winged fly b : a large and stout-bodied dipteran fly (as a horsefly) Geographical Definition Fly geographical name ˈflī river 650 miles (1046 kilometers) long in southern New Guinea flowing southeast into the Gulf of Papua fly at phrase as in attack to take sudden, violent action against The batter flew at the pitcher, thinking the beanball was thrown on purpose. Synonyms & Similar Words Relevance attack assault raid storm strike set at set on set upon ambush rob charge sick round on beat up on descend (on or upon) pitch into sic turn (on) tear into light into invade rush jump (on) assail pounce (on or upon) beset swarm trash go in (on) bushwhack surprise go at sack mob flank bomb gang up (on) mug nuke cannon besiege blitz waylay buffet ambuscade plunder loot batter barrage bombard harry cannonade bum-rush ravage plaster bang away (at) pillage foray press surprize envelop overrun beleaguer Antonyms & Near Antonyms protect defend secure cover guard shield
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fly

verb (1)

noun (1)

verb (2)

noun (2)

adjective

Synonyms

Word History

Phrases Containing fly

Kids Definition

verb

noun

noun

Medical Definition

noun

Geographical Definition

geographical name

phrase