fuck
Fuck (verb) means Vulgar slang: to have sexual intercourse. Example: “(vulgar) They fucked all night.”
How to use fuck
Learner’s notesIn plain EnglishA highly vulgar word for sex, or a general-purpose swear word expressing anger, emphasis, or frustration.
Extremely informal and offensive in most settings — avoid in formal, professional, or polite contexts.
Word forms
- Plural
- fucks
- Third person singular
- fucks
- Past tense
- fucked
- Archaic forms
- fuckest, fuckedst, fucketh
Etymology
Of Germanic origin, from a root related to Old English *fuccian; in continuous documented use in English since at least the 16th century, with much older suggestive spellings in medieval records.