noun
vulgar word; profanity; swear word
Refers to words or expressions considered crude, offensive, or taboo in polite conversation.
彼は怒るとすぐ卑語を使う。
He uses vulgar words as soon as he gets angry.
その卑語は公共の場では使うべきではない。
That vulgar expression should not be used in public.
Compound of 卑 (hi, 'low, vulgar') and 語 (go, 'word, language'). The kanji 鄙 (hi, 'rustic, lowly') is a rare variant with a similar meaning.