()(わけ)

いいわけ
noun, suru-verb
excuse; explanation
1. excuse
A reason given to justify or explain one's actions, often implying it may not be entirely valid.
遅刻(ちこく)()(わけ)ばかりするな。
Stop making excuses for being late.
(かれ)()(わけ)(しん)じられない。
I can't believe his excuse.
()(わけ)をする(ひま)があったら行動(こうどう)しろ。
Instead of making excuses, take action.
2. explanation; justification
An attempt to explain the circumstances behind something.
事情(じじょう)()(わけ)した。
I explained the circumstances.
()(わけ)()いてください。
Please hear my explanation.
彼女(かのじょ)自分(じぶん)立場(たちば)()(わけ)するために(なが)手紙(てがみ)()いた。
She wrote a long letter to explain her position.

()(わけ) often carries a negative nuance, implying the reason may not be genuine.

COMMON COLLOCATIONS:

  • ()(わけ)をする - to make an excuse
  • ()(わけ)にならない - is no excuse
  • ()(わけ)ばかり - nothing but excuses
  • ()(わけ)無用(むよう) - no excuses accepted

NUANCE:
()(わけ) typically implies the speaker is trying to avoid responsibility or make themselves look better, whereas 説明(せつめい) (explanation) is more neutral.

RELATED EXPRESSIONS:

  • ()(わけ)がましい - excuse-making, overly apologetic
  • 屁理屈(へりくつ) - sophistry, specious argument

SURU-VERB USAGE:
()(わけ)する can be used as a verb meaning "to make excuses."