bicker Definition

bicker
verb

intr
bickered, bickering
1. colloq
To argue or quarrel in a petty way, especially about or over something trivial.
Thesaurus: quarrel, wrangle, squabble, dispute, feud, scrap; Antonym: agree.

Derivative: bickering
noun

Tedious petty quarrelling.

Etymology: 14c as biker, meaning ‘to fight or skirmish'.