op
1 of 3noun
ˈäp 
1
chiefly US : a set of planned actions for a particular purpose —usually plural
military ops [=operations]
2
: op art
3
British, informal : a medical operation see also photo op
op
2 of 3abbreviation (1)
1
operation; operative; operator
2
opportunity
3
opus
OP
3 of 3abbreviation (2)
1
observation post
2
out of print
Example Sentences
Noun I have my op tomorrow.
Word History
First Known Use
Noun
1964, in the meaning defined at sense 2
Phrases Containing op
Legal Definition
op.
abbreviation
opinion
opens
verb
1
as in unlocks
to change from a closed to an open position please open the door to let the cat out Synonyms & Similar Words
Relevance
- unlocks
- unfurls
- unfolds
- unfastens
- unzips
- uncloses
- disengages
- unlatches
- unbuttons
- slips
- unbolts
- unclasps
- unclenches
- unbars
- releases
Antonyms & Near Antonyms
- closes
- shuts
- locks
- fastens
- latches
- bars
- buttons (up)
- clasps
- bolts
- zips (up)
2
as in clears
to make passage through (something) possible by removing obstructions we need to open this drain that's clogged with hair Synonyms & Similar Words
- clears
- frees
- unplugs
- facilitates
- unclogs
- smooths
- unstops
- eases
- smoothes
- loosens (up)
Antonyms & Near Antonyms
- closes
- blocks
- stops
- plugs (up)
- clogs (up)
- hinders
- impedes
- dams (up)
- obstructs
- interferes (with)
- hampers
- constricts
- encumbers
- trammels
- barricades
- blockades
3
as in expands
to arrange the parts of (something) over a wider area when we got too close, the cardinal opened its wings and flew to a higher branch Synonyms & Similar Words
- expands
- extends
- unfolds
- unfurls
- outstretches
- outspreads
- spreads (out)
- flares (out)
- stretches (out)
- overspreads
- fans (out)
Antonyms & Near Antonyms
- closes
- folds
- reduces
- contracts
- compresses
- condenses
- compacts
4
as in frees
to rid the surface of (as an area) from things in the way snowplows opened the runway without much trouble Synonyms & Similar Words
- clears
- frees
- unblocks
- facilitates
- smooths
- eases
- unplugs
- smoothes
- unclogs
- strips
- unstops
- unchokes
- unclutters
- loosens (up)
Antonyms & Near Antonyms
- blocks
- closes
- stops
- obstructs
- clogs
- plugs
- dams
- clutters (up)
5
as in begins
to take the first step in (a process or course of action) we will open the proceedings tomorrow with a short ceremony Synonyms & Similar Words
- begins
- commences
- starts
- launches
- creates
- sets about
- gets going
- leads off
- initiates
- generates
- kicks off
- gets off
- originates
- organizes
- inaugurates
- adopts
- gets to
- establishes
- invents
- falls (to)
- innovates
- embarks (on or upon)
- enters (into or upon)
- founds
- strikes (into)
- spawns
- embraces
- institutes
- fathers
- takes on
- pioneers
- takes up
- sets up
- gets around (to)
- gets round (to)
- gets down (to)
Antonyms & Near Antonyms
- ends
- concludes
- terminates
- closes
- finishes
- stops
- ceases
- completes
- halts
- discontinues
- leaves
- quits
- abandons
- lays off
- destroys
- forsakes
- knocks off
- desists
- abolishes
- extinguishes
- demolishes
- exterminates
- phases out