How to say irresponsible in Japanese

いいかげんiikagenirr. Inflection

adjectival noun:

  • irresponsible; perfunctory; careless
  • lukewarm; half-baked; halfhearted; vague
  • reasonable; moderate - usu. in suggestions or orders いい加減にする


  • considerably; quite; rather; pretty

Example Sentences

It is irresponsible of you to break your promise.
It was irresponsible of him to break a promise.
You cannot count on her because she's too irresponsible.
She charged me with being irresponsible.
He was lazy and irresponsible. Thus, he was told to leave the company.

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