noun
word ending; way of ending one's words
Refers to the tail end of a word or phrase, or the manner in which a speaker finishes their utterance. Often used when discussing speech patterns, tone, or catching someone's words.
彼は言葉尻がいつも曖昧だ。
The way he ends his words is always vague.
相手の言葉尻をとらえて反論する。
Seize on the end of the other person's words and argue back.
noun
slip of the tongue; verbal mistake
Used in the set phrase 言葉尻を捉える (to catch someone's slip of the tongue). Rarely used outside this expression.
See also: 言葉尻を捉える
彼は言葉尻を捉えられて、言い訳できなくなった。
He was caught on a slip of the tongue and couldn't make any excuses.