Verb: niggle ni-gul
- Worry unnecessarily or excessively
"don't niggle too much over the grandchildren—they are quite big now";
- fuss, fret
- Argue over petty things
"Let's not niggle over pennies";
- quibble, pettifog [archaic], bicker, squabble, brabble [archaic]
Derived forms: niggling, niggles, niggled
Type of: argue, contend, debate, fence, sweat [N. Amer, informal], worry
Encyclopedia: Niggle