Four-letter Word Definition

fôrlĕtər

noun

Any of several short words having to do with sex or excrement and generally regarded as offensive or objectionable.

Webster's New World

A swearword or any words considered to be taboo in a given scenario, (regardless of how many letters are actually in the word or words in question).

To me, coming from you, 'Friend' is a four letter word. - Friend Is a Four-Letter Word, Cake.

Wiktionary

Synonyms:

Other Word Forms of Four-letter Word

Singular:

four-letter word

Plural:

four-letter-words

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