fly in the ointment
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A minor drawback or imperfection, especially one that was not at first apparent, that detracts from something positive, spoils something valuable, or is a source of annoyance.
Where it’s used:
Used
Widespread English
Sources & notes
Imported from Wikipedia “English-language idioms” (CC BY-SA 4.0, retrieved 2026-07-29), pending review.
Common questions
What does “fly in the ointment” mean?
A minor drawback or imperfection, especially one that was not at first apparent, that detracts from something positive, spoils something valuable, or is a source of annoyance.
Is “fly in the ointment” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.