ad
1 of 7noun (1)
ˈad 
often attributive
1
: advertisement sense 1
newspapers ads
TV ads for new cars
2
: advertising
an ad agency
ad
2 of 7noun (2)
: advantage sense 4
AD
3 of 7abbreviation (1)
1
active duty
2
after date
3
airworthiness directive
4
Alzheimer's disease
5
anno Domini —often printed in small capitals and often punctuated
6
assembly district
7
assistant director
8
athletic director
9
right ear —used especially in audiology and in writing medical prescriptions
A/D
4 of 7abbreviation (2)
analog/digital
ad-
5 of 7prefix
variants or ac- or af- or ag- or al- or ap- or as- or at-
1
: to : toward —usually ac- before c, k, or q
acculturation
and af- before f affluent
and ag- before g aggradation
and al- before l alliteration
and ap- before p apportion
and as- before s assuasive
and at- before t attune
and ad- before other sounds but sometimes ad- even before one of the listed consonants adsorb
2
: near : adjacent to —in this sense always in the form ad-
adrenal
-ad
6 of 7adverb suffix
: in the direction of : toward
cephalad
-ad
7 of 7noun suffix
: member of a botanical group
bromeliad
Synonyms
Noun (1)
- advert [chiefly British]
- advertisement
- announcement
- bulletin
- communiqué
- notice
- notification
- posting
- release
See all Synonyms & Antonyms 
Word History
Etymology
Noun (1)
by shortening
Noun (2)
by shortening
Prefix
borrowed from Latin, prefix forming verbs and verbal derivatives, marking movement toward, tendency, addition, from ad, preposition, "to, as far as, at, near, in accordance with" — more at at entry 1
Adverb suffix
borrowed from Latin ad "to, toward" — more at at entry 1
Noun suffix
borrowed from New Latin -ad-, -as, borrowed from Greek -ad-, -as, feminine noun suffix denoting descent from or connection with
First Known Use
Noun (1)
1799, in the meaning defined at sense 1
Noun (2)
1915, in the meaning defined above
Phrases Containing ad
Kids Definition
ad 1 of 2
noun
ˈad
: advertisement
A.D.
2 of 2abbreviation
in the year of our Lord
Hint: A.D. is an abbreviation for the Latin phrase anno Domini, which means "in the year of our Lord."
Medical Definition
AD
abbreviation
1
Alzheimer disease; Alzheimer's disease
2
atopic dermatitis
3
[Latin auris dextra] right ear —used especially in audiology and in writing medical prescriptions
4
average deviation
ad
noun
as in advertisement
a published statement informing the public of a matter of general interest did you see the ads in the paper for cheap round-trip flights to Florida? Synonyms & Similar Words
Relevance
- advertisement
- announcement
- advertising
- release
- bulletin
- advert
- posting
- notice
- notification
- report
- brochure
- communiqué
- billboard
- commercial
- flyer
- poster
- message
- handbill
- campaign
- circular
- publicity
- playbill
- broadcast
- flier
- sign
- placard
- bill
- gazette
- billing
- newscast
- blurb
- telecast
- promo
- pitch
- promotion
- handout
- broadside
- propaganda
- declaration
- fly sheet
- communication
- proclamation
- cablecast
- show bill
- dispatch
- spot
- pronouncement
- come-on
- edict
- word
- promulgation
- rescript
- buildup
- ballyhoo
- signification
- annunciation
- pronunciamento
- plug
- plugola
- boost
