Meaning of the word niggle in English

What does niggle mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

niggle

US /ˈnɪɡ.əl/
UK /ˈnɪɡ.əl/
"niggle" picture

Verb

cause slight but persistent annoyance, discomfort, or worry

Example:
A doubt still niggles at the back of my mind.
It was just a minor issue, but it continued to niggle him.

Noun

a slight but persistent doubt, worry, or discomfort

Example:
He had a slight niggle in his knee after the run.
There's a little niggle in the back of my mind about the decision.