have on

British  

verb

1. (usually adverb) to wear

2. (usually adverb) to have (a meeting or engagement) arranged as a commitment

   what does your boss have on this afternoon?

3. informal (adverb) to trick or tease (a person)

4. (preposition) to have available (information or evidence, esp when incriminating) about (a person)

   the police had nothing on him, so they let him go

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have on Idioms  

1. have something on . See have nothing on , def. 3.

2. have someone on ; put someone on . Deceive or fool someone, as in There was no answer when I called; someone must be having me on , or You can't mean you're taking up ballet—you're putting me on! [ Colloquial ; mid-1800s]

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Example Sentences

The cybersecurity sector has been in a slump this year as some on Wall Street are worried about the impacts artificial intelligence will have on it.

From Barron's • Apr. 9, 2026

"We desperately need more of these land-to-ocean connection studies if we're to fully grapple with the problem of global warming and the effects it will have on coastal ecosystems."

From Science Daily • Apr. 4, 2026

OpenAI is trying to change long-established habits around how people interact with technology, and fight growing anxiety about the impact that AI will have on the workforce and society writ large.

From The Wall Street Journal • Apr. 3, 2026

This announcement led to concerns about the impact artificial intelligence will have on the future of videogame development.

From Barron's • Mar. 28, 2026

“Some of them are a little weird to have on here now.”

From "Keeping Pace" by Laurie Morrison

Related Words

• bear
• carry
• cover
• display
• don
• get into
• get on
• put on
• show
• slip on
• sport
• wrap