noun
Refers to extra capacity in time, space, money, or resources; often used with ある/ない to indicate whether one has enough to spare.
今月はお金に余裕がない。
I don't have much financial leeway this month.
I left home with plenty of time to spare.
noun
composure; calm; presence of mind
Describes a mental state of being relaxed, unflustered, or having enough emotional margin to stay calm; often used in phrases like 余裕がある/ない or 余裕の表情.
彼はいつも余裕の表情をしている。
He always has a composed look on his face.
試験中は余裕がなかった。
I had no composure during the exam.