squabbier
/ˈskwæbaɪər, ˈskwæbiˌɛr/Definitions
1. adjective
more prone to or characterized by squabbles or petty disputes
“The squabbier nature of the colleagues made it difficult to work together effectively.”
2. adverb
in a squabbling manner
“They argued squabbier and louder until they finally stopped talking to each other.”