ad

1 of 7

noun (1)

often attributive
1
: advertisement sense 1
newspapers ads
TV ads for new cars
2
: advertising
an ad agency

ad

2 of 7

noun (2)

AD

3 of 7

abbreviation (1)

1
active duty
2
after date
3
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 7

abbreviation (2)

analog/digital

ad-

5 of 7

prefix

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 7

adverb suffix

: in the direction of : toward
cephalad

-ad

7 of 7

noun suffix

: member of a botanical group
bromeliad

Examples of ad in a Sentence

Recent Examples on the Web
Noun
The Hulu + Live TV plan with no ads costs $89.99 per month. Dina Kaur, The Arizona Republic, 22 Apr. 2024 In other words, Netflix – which used to price its service roughly the same in every market – is going to change that strategy, likely lowering the cost of its service in some countries, perhaps adding ads, and skewing both subscribers and ARM in the process. Alex Weprin, The Hollywood Reporter, 19 Apr. 2024 TikTok and ByteDance ramped up spending on ads opposing the ban, spending millions in several states with key Senate races like Pennsylvania, Montana, Ohio and Nevada. Deirdre Walsh, NPR, 19 Apr. 2024 The demands of the internet push users toward presenting themselves as a type, a category that can be marketed to and sent just the right kinds of ads. Hillary Kelly, The Atlantic, 19 Apr. 2024 In January, Netflix’s president of advertising, Amy Reinhard, shared that Netflix’s ad-tier had more than 23 million users. Cnn.com Wire Service, The Mercury News, 18 Apr. 2024 In a campaign ad released the same day, JoJo Burgess, a steelworker from Washington, Pa., contrasted the president’s efforts on behalf of the country’s steel workers with those of his predecessor. Michael D. Shear, New York Times, 18 Apr. 2024 But Paramount today faces significant challenges, including the decline of linear TV, which has shrunk valuable ad revenue, the company’s struggles with its streaming service Paramount+ and a larger, industrywide question about when — if ever — box office revenue will return to pre-pandemic levels. Samantha Masunaga, Los Angeles Times, 10 Apr. 2024 The ad was largely credited for helping Kentucky Gov. Andy Beshear, a Democrat, win reelection in 2023. Marjorie McAfee, ABC News, 9 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ad.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Time Traveler
The first known use of ad was in 1799

Dictionary Entries Near ad

Cite this Entry

“Ad.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ad. Accessed 26 Apr. 2024.

Kids Definition

ad

1 of 2 noun
ˈad

ad-

2 of 2 prefix
variants or ac- or af- or ag- or al- or ap- or as- or at-
: to : toward
usually ac- before c, k, or q and af- before f and ag- before g and al- before l and ap- before p and as- before s and at- before t and ad- before other sounds but sometimes ad- even before one of the listed consonants
Etymology

Prefix

Latin ad- "to, toward"

Medical Definition

AD

abbreviation
1
2
3
[Latin auris dextra] right ear
used especially in audiology and in writing medical prescriptions
4
average deviation

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