不調|ふちょうfuchou[0]heiban (flat)

1. no-adjective, na-adjectivebad condition; poor condition; disorder; slump; being out of form
   商売しょうばいは先月せんげつちょっと不調ふちょうだった。↗

   Business was a little slow last month.
2. noun, na-adjectivefailure; rupture; breakdown (e.g. of negotiations)

• Synonym障害しょうがいNeutralNoun for obstacles and malfunctions (「通信障害」「障害物」); stresses something blocking operation.
• Related病患びょうかんWrittenWritten word for sickness or disease, and rare. 「不調」 is about being in a poor state, not necessarily being ill.
• Related異常いじょうNeutralAdjectival noun meaning abnormal (「異常気象」); stresses deviation from the normal, with a clearer sense of degree.
• Related病やまいWrittenMeans illness (「病に倒れる」) and leans literary; stresses actually being sick.
• Antonym好調こうちょうNeutralAntonym: being in good condition, the direct opposite of 「不調」.

Use 「不調」 for a body, machine or negotiations in poor shape (「体調不良」「エンジンの不調」「交渉が不調に終わる」). Say 「異常」 for a clear departure from the normal and 「障害」 for a system failure; 「好調」 is the opposite.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 調ととのわないこと。
2. 調子ちょうしが悪わるいこと。
3. 不調法ぶちょうほう。