いかん

not going (well)

Also a form of

Meanings

also 行かん

  1. expression, usually in kana not going (well); not proceeding (as one wishes)
  2. usually in kana bad; not good
  3. usually in kana hopeless; beyond hope
  4. usually in kana, after the -te form of a verb or adjective must not (do, be); should not; ought not to

In sentences

それはいかんわい！ That won't work! #394404

成功せいこうは努力どりょくいかんによる。 Success depends on your efforts. #143242