ad
gb/ˈæd/ us/ˈæd/
B1
英語
語義
0件の語義
名詞
B1
entity
1
an advertisement
An ad is a message that tries to sell or promote something.
用法パターン：
an ad (for [product/service]); an ad in/on [media]
よくある間違い：
Often confused with add (meaning “put more”).
類義語
advertisement (More formal and fully spelled out.)
|
commercial (Often used for TV or radio advertising.)
|
promo (More informal; often for short promotional content.)
対義語
editorial (Non-advertising content that is not paid promotion.)
コロケーション
run an ad
|place an ad
|take out an ad
|put an ad in a newspaper
|a TV ad
|an online ad
|a job ad
|a classified ad
|an ad campaign
|an ad agency
テーマ
business
|media
|marketing
|daily_life
例文
- I saw an ad for that phone on Instagram.
- They placed an ad in the local paper to hire a receptionist.
- The company pulled the ad after complaints from viewers.
学習者向け例文
- This ad is for a new drink.
- I don’t like loud ads on TV.
abbreviation
formal
B2
relation
2
years after Jesus’s birth
AD is written with a year to mean “after the birth of Jesus Christ.”
用法パターン：
AD [year]
よくある間違い：
Often confused with BC; AD is usually written before the year (AD 1066), though “1066 AD” is also seen.
類義語
CE (A neutral alternative meaning the same years (Common Era).)
対義語
BC (Marks years before the traditional birth year of Jesus Christ.)
コロケーション
AD 1066
|AD 70
|in AD 312
|the first century AD
テーマ
time
|history
|religion
例文
- The Romans destroyed the Second Temple in AD 70.
- The empire reached its peak in the second century AD.
学習者向け例文
- AD 1066 is a famous year in English history.
abbreviation
technical
C1
entity
3
assistant director on a film
An AD is a person who helps organize filming on a movie or TV set.
用法パターン：
the AD; a first/second AD
よくある間違い：
Not the same as a director; the AD focuses on coordination and scheduling rather than creative decisions.
類義語
assistant director (Full form; clearer outside film/TV contexts.)
コロケーション
first AD
|second AD
|the AD called action
|work with the AD
テーマ
film
|work
|media
例文
- Check with the AD before moving any equipment onto the set.
- The first AD updated the shooting schedule after the weather changed.
abbreviation
technical
C1
entity
4
Microsoft directory service
AD is a system companies use to control accounts and access on computers.
用法パターン：
in AD; AD users/groups
よくある間違い：
Usually written as AD in IT contexts; not related to advertising in this sense.
コロケーション
AD account
|AD group
|AD policy
|AD login
|join the domain in AD
テーマ
technology
|computing
|work
例文
- Your account is locked in AD, so you can’t log in right now.
- The IT team created a new AD group for contractors.
abbreviation
technical
C1
state
5
full-time military service status
AD means working full time as a soldier, sailor, etc.
用法パターン：
on AD; AD orders
よくある間違い：
Mostly used in US military contexts; not the same as “an ad” (advertisement).
類義語
full-time service (More general wording; less specific than the military term.)
対義語
reserve duty (Part-time or non-active status in the military.)
コロケーション
on AD
|AD orders
|AD service
|return to AD
テーマ
military
|work
|government
例文
- She went on AD for a year after finishing training.
- He received AD orders with only a week’s notice.
文法
辞書形
ad
IPA
GB/ˈæd/
US/ˈæd/
音節・強勢
ad （1音節）
Stress on 1st syllable (ad)
活用形
Noun
- Base: ad
- Plural: ads
関連語
表現
ad break
1/ˈæd bɹˈeɪk/
fixed phrase
pause for commercials
A short time in a show when ads are shown.
例文
- I usually make tea during the ad break.
- The presenter went to an ad break after the interview.
ad campaign
1/ˈæd kæmpˈeɪn/
fixed phrase
business
planned series of ads
A group of ads that are planned together.
例文
- They launched an ad campaign to introduce the new logo.
- The ad campaign ran across TV, billboards, and social media.
classified ad
1/klˈæsɪfˌaɪd ˈæd/
fixed phrase
small ad in listings
A short ad in a list of ads (jobs, homes, things for sale).
例文
- He found the apartment through a classified ad.
- She posted a classified ad to sell her bike.
classified ad
1/klˈæsɪfˌaɪd ˈæd/
fixed phrase
small categorized advertisement
A small ad listed in a category, for example for a job, apartment, or used car.
例文
- She found her first apartment through a classified ad.
- The company placed a classified ad for a part-time assistant.
- He answered a classified ad for a used motorcycle.
job ad
1/d͡ʒˈɑb ˈæd/
fixed phrase
advertisement for a job opening
An ad that says a company is hiring.
例文
- The job ad says you need at least two years of experience.
- I applied to three jobs I found through a job ad online.
place an ad
1/plˈeɪs ən ˈæd/
fixed phrase
arrange for an ad
To arrange to put an ad in a newspaper or online.
例文
- She placed an ad on a job site to find a new assistant.
- We placed an ad in the program for the charity event.
put an ad in
1/pˈʊt ən ˈæd ˈɪn/
fixed phrase
insert an ad in something
To put an advertisement in a newspaper, website, etc.
例文
- We put an ad in the local magazine to promote the new class.
- If you put an ad in the paper, include a phone number.
run an ad
1/ɹˈʌn ən ˈæd/
fixed phrase
publish or broadcast an ad
To show an ad in a newspaper, on TV, or online.
例文
- The website runs ads between articles.
- They ran an ad during the game to promote the new movie.
take out an ad
1/tˈeɪk ˈaʊt ən ˈæd/
fixed phrase
pay to publish an ad
To pay to put an ad in a newspaper, online, etc.
例文
- They took out an ad in the Sunday paper to announce the sale.
- If you take out an ad online, you can target people by location.