expression, ichidan verb
to be mentally exhausted; to be worn out from worry
Describes mental fatigue from stress, anxiety, or emotional strain, not physical tiredness.
人間関係のトラブルで気骨が折れた。
I was mentally exhausted from relationship troubles.
毎日残業続きで、さすがに気骨
With overtime every day, I'm really worn out from the stress.