Definition of "f-word" 
- (noun) The word fuck or faggot.
- (noun) Any word beginning with f that is not normally taboo but is considered (often humorously) to be so in the given context.
- (verb) To use vulgarities.
Use "f-word" in a sentence
- "All three lawyers who argued and the justices never used the expletives at the heart of the dispute, but instead referred to the "f-word" or the "s-word.""
- "And you've got to give it to a woman who will scream the f-word at a news camera in the middle of a school board meeting."
- "By contrast, Western parents have to tiptoe around the issue, talking in terms of "health" and never ever mentioning the f-word, and their kids still end up in therapy for eating disorders and negative self-image."