intimidating language; threatening words
Refers to speech or phrasing intended to intimidate, threaten, or overawe someone. Often used in contexts of verbal coercion or tough talk.
He lined up intimidating words and threatened the other party.
Don't give in to intimidating language.
凄味 refers to an intimidating aura or intensity, whereas 凄文句 specifically denotes the language or phrases used to convey that intimidation.
Compound of 凄 (すご, 'terrible, dreadful, amazing') and 文句 (もんく, 'phrase, complaint'). The exact historical derivation is uncertain, but the combination naturally yields the sense of 'intimidating words'.