hashtag
Americannoun
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(on social media websites)
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a word or phrase preceded by a hash mark (#), used within a message to identify a keyword or topic of interest and facilitate a search for it.
The hashtag #sandiegofire was used to help coordinate an emergency response to the fire.
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a hash mark used in this way.
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a word or phrase preceded by a hash mark (#) or by the word hashtag , used to add wit or emphasis to a spoken or written statement.
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a hash mark or the word hashtag used in this way, as in the sentence His goodbye was so hashtag awkward.
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verb (used with or without object)
noun
Usage
What does hashtag mean? A hashtag is a word or phrase preceded by a hash mark (#), also known as a pound sign, used primarily on social media.On social media, hashtags provide users a way to search for posts related to the word or phrase in the hashtag. You can click on a hashtag to see a list of recent posts that include that keyword. (A couple of our favorites are #WordOfTheDay and #WordNerd.)To hashtag means to add a hashtag to a word, topic, or message, as in We hashtag our posts about history with #HistoryMatters so you can find them easily.Example: Use the hashtag #petthedog with a video of you petting your dog for a chance to win our contest.
Etymology
Origin of hashtag
First recorded in 2005–10; hash (mark) + tag 1 (in the sense “a label or keyword”)
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 hashtags spoke of "Bridges of Friendship" and "United Through Oceans".
From BBC
The overkill hits its nadir when the Bride repeatedly wails the survivors’ hashtag, “Me too!”
From Los Angeles Times
“When it makes a hashtag out of you, I’ll have two ghosts to deal with.”
From Literature
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She will say: "You cannot fix waiting times with a hashtag. You cannot grow wages on TikTok. You cannot build a hospital with a committee. You need a plan."
From BBC
Fist clenched over his heart, Westlake belted out God Save the Queen with such gusto, that images were shared widely across the internet, spawning a hashtag #DoItLikeHarry.
From BBC
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.