0 a short time during which someone makes a bad decision or does something bad that they would not normally do:
He is a man of known moderation, and in a moment of weakness one might say that he is of saintly appearance.
Of course, the addict must presumably have a moment of weakness when he first starts, but he is not always responsible for that.
He once had everything going his way, but in a moment of weakness he lost everything.
In a moment of weakness she drinks a glass of wine, breaking her previous vow to never drink alcohol again.
In a moment of weakness, they have a romantic tryst.
Might there be a moment of weakness in which the two might explore their chemistry?
She also insists they are not a couple just from having slept together once in a moment of weakness, and that she will merely be lodging with him.
