also: あかーん
Kansai dialect expression meaning something is unacceptable, hopeless, or not allowed. Often used with i-adjective inflections like あかんかった (was no good) or あかんくない (isn't it no good?).
そんなことしたらあかん。
You mustn't do that.
Expresses prohibition or impossibility, equivalent to standard Japanese だめ or いけない. Stronger than simple inability.
ここでタバコ吸ったらあかんで。
You can't smoke here.
This cake is no good anymore.
もう時間がないから、急がないとあかん。
There's no time left, so we have to hurry.
いけない is the standard Japanese expression for prohibition, while あかん is the Kansai dialect version used in casual speech.
よい means 'good/fine/okay', the opposite of あかん which means 'no good/not allowed'.
Katakana spelling used for emphasis or in casual writing.
Rarely used kanji form; learners should use kana.
Kansai dialect word, possibly derived from the negative form of あく (to open) or related to あかぬ (not open, not clear). The exact origin is uncertain.