adverb
in peace; without worry; comfortably
Used in negative expressions like おちおち〜できない to mean one cannot do something in peace or without worry. Often describes being unable to relax or do something calmly due to disturbance or anxiety.
隣の騒音で、おちおち眠れない。
I can't sleep peacefully because of the noise next door.
試験のことが気になって、おちおち遊んでもいられない。
I'm so worried about the exam that I can't even enjoy myself.