いい加減な

careless; slapdash

→ いい加減だ
phrase Rare #45,394
careless; slapdash Usually critical, describing something done without enough care or seriousness.
JA: いい加減な説明では納得できません。
EN: I can't be satisfied with such a careless explanation.

このいい加減な計画は何なんだ?

What kind of half-baked plan is this?

— レザボア・ドッグス (1992)

こんないい加減な仕事はできん

I can't do such sloppy work.

— High and Low (1963)