An expletive is a swear word, a curse you let out when you are startled or mad. You probably already know a lot of expletives, but you don’t need to see them here, no way in heck.

An expletive is a vulgar word that will greatly upset your grandmother if you say it in her presence. An expletive usually sneaks out because you get surprised or angry, like if you stub your toe, you might yell out an expletive. Even though you did it by accident, one of your parents still might put a bar of soap in your mouth, so watch your words. In a pinch, try these substitutes: fudge, sugar, heck, and walrus.

Definitions of expletive
  1. noun
    profane or obscene expression usually of surprise or anger
    expletives were deleted”
    synonyms: curse, curse word, cuss, oath, swearing, swearword
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    type of:
    vulgar or irreverent speech or action
  2. noun
    a word or phrase conveying no independent meaning but added to fill out a sentence or metrical line
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    type of:
    utterance, vocalization
    the use of uttered sounds for auditory communication
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