Niggle | Mean of niggle in English Dictionary

/ˈnɪgəl/

• Verb
• to worry or annoy (someone)
1. She had been niggled by worry her entire life.
2. It really niggles [=bothers, bugs] me that she didn't call.
3. One question continued to niggle [=nag] at him.
• to argue or make criticisms about something that is not important
1. He's always niggling over small details.
• Noun
• a slight feeling of something (such as doubt)
1. a niggle of doubt

• a slight pain
1. I've had a knee niggle for the past few days.
2. He has a bit of a niggle in his back.
• a small criticism or complaint
1. I have a few minor niggles about the performance.