hashtag
hashtag Lexical Profile
hashtag Game Scores & Validity
• noun
A word or unspaced phrase preceded by the hash symbol (#), used on social media websites and applications to identify digital content on a specific topic.
"The conference organizers asked attendees to include the official hashtag in their posts."
The hash symbol (#) itself, especially in informal usage.
"Please press the hashtag key on your telephone keypad after entering your account number."
• verb
To label or mark a social media post, word, or phrase with a hashtag.
"She hashtagged her travel photos so other hikers could easily find the trail recommendations."
Word Nuance & Usage
Technically, the '#' symbol alone is called a 'hash', 'pound sign', or 'octothorpe', while 'hashtag' refers to the symbol combined with a keyword, though 'hashtag' is now commonly used in informal speech for the symbol itself.
• Rhymes for hashtag
Word Origin & Etymology
Coined in 2007 by technologist Chris Messina and writer Stowe Boyd as a compound of 'hash' (the '#' symbol) and 'tag' (a metadata label) for grouping topics on Twitter.