Pronunciation

change

Singular
hashtag

Plural
hashtags

  1. (countable) (Internet slang) A hashtag or # is used on social media to express a feeling or to show what the post relates to.

Plain form
hashtag

Third-person singular
hashtags

Past tense
hashtagged

Past participle
hashtagged

Present participle
hashtagging

  1. (transitive) (Internet slang) If you hashtag a message, you label it with a hashtag.