nagging doubt
noun phraseUK /ˈnæɡ.ɪŋ daʊt/
US /ˈnæɡ.ɪŋ daʊt/
A small worry in your mind that keeps bothering you.
She had a nagging doubt that she had left the stove on.
RELATED WORDS
OTHER MEANINGS
2. A continuing feeling that something might be wrong even when things seem fine.
Despite the good news, a nagging doubt stayed with him all day.
3. A doubt that keeps coming back and will not go away.
He tried to ignore the nagging doubt about his decision.
4. A mild but constant sense of distrust about a person or plan.
The coach had a nagging doubt about the new strategy.