Their constant bickering was starting to affect their relationship.
bicker with
Frequency:
50
%
She tends to bicker with her siblings whenever they are together.
petty bickering
Frequency:
40
%
The meeting was derailed by petty bickering among the team members.
Idiomatic Expressions for bicker
Phrase: constant bickering
Meaning: frequent or continual arguing or quarreling
Usage: The constant bickering between the coworkers made for a tense work environment.