four-letter word is a noun meaning "any of several short English words (often having 4 letters) generally regarded as obscene or offensive". It carries one recorded sense.
any of several short English words (often having 4 letters) generally regarded as obscene or offensive
Definitions, synonyms and semantic relations for four-letter word come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.