godan verb (-tsu), intransitive verb
be sharp-edged; be prickly; be rough
Describes a person's attitude or words as sharp, prickly, or rough; often used for someone who is on edge or easily irritated. Rare verb; more common in kana.
彼は最近疲れているのか、言葉がつのめだっている。
Maybe he's tired lately, but his words are sharp.
会議
During the meeting, her tone became prickly.