four-letter word noun
plural four-letter words
plural four-letter words
Learner's definition of FOUR-LETTER WORD
[count]
1
: an offensive word and especially an offensive word that has four letters : dirty word 1(四个字母组成的)粗话,脏话 2
: a word, subject, or idea that is disliked by some people : dirty word 2令人讨厌之物