come-on
Americannoun
verb
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(of power, a water supply, etc) to become available; start running or functioning
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to make or show progress; develop
my plants are coming on nicely
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to advance, esp in battle
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to begin
she felt a cold coming on
a new bowler has come on
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theatre to make an entrance on stage
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to be considered, esp in a court of law
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(preposition) See come upon
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hurry up!
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cheer up! pull yourself together!
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make an effort!
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don't exaggerate! stick to the facts!
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to attempt to give a specified impression
he came on like a hard man
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to make a forceful or exaggerated impression
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informal to make sexual advances to
noun
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Move forward, progress, develop. For example, We stopped as soon as darkness began to come on . [Early 1600s]
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Hurry up, as in Come on now, it's getting late . This imperative to urge someone forward has been so used since about 1450.
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Also, come upon . Meet or find unexpectedly, as in We came on him while walking down the street , or I came upon an old friend in the bookstore today . [Second half of 1700s]
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Make a stage entrance, as in After the next cue she comes on from the right . [Early 1800s]
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Please oblige me, as in Come on, that's no excuse for leaving , or Come on, you'll really like this restaurant . [ Colloquial ; first half of 1900s]
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Convey a specific personal image, as in He comes on like a go-getter but he's really rather timid . [ Slang ; c. 1940]
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Also, come on strong . Behave or speak in an aggressive way, as in Take it easy; you're coming on awfully strong . [c. 1940]
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Also, come on to . Make sexual advances, as in She reported her boss for coming on to her . This usage probably was derived from the earlier use of the noun come-on for a sexual advance. [ Slang ; 1950s]
Etymology
Origin of come-on
1895–1900, noun use of verb phrase come on
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The company’s market debut could come on or around June 12.
From The Wall Street Journal • May 28, 2026
So I could not even dream of most of the people that have come on.
From Los Angeles Times • May 28, 2026
Nebius will pay up to $2.6 billion over the term of the agreement, which is expected to come on in three phases, each with a supply term of 10 years.
From Barron's • May 21, 2026
Management said that the optical space offers a multibillion-dollar opportunity, which would come on top of its existing connectivity business.
From MarketWatch • May 19, 2026
One of the dudes calls for Sneaky to come on, but he looks back at me.
From "Isaiah Dunn Is My Hero" by Kelly J. Baptist
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.