also: ぜっふちょう
noun, na-adjective
very bad condition; terrible form; serious slump
Used when someone or something is performing extremely poorly, often in sports, work, or health. The opposite is 絶好調.
See also: 絶好調
今日の彼は絶不調で、まだ一本もヒットを打っていない。
He's in terrible form today and hasn't gotten a single hit yet.
When the ace is in a serious slump, it affects the whole team.
Compound of 絶 (ぜつ, 'extreme') + 不調 (ふちょう, 'poor condition'). The reading ぜっふちょう is a euphonic change common in colloquial speech.