Dialogue you could use instead of the word…

Except

Specifically when it comes to presenting an opposing argument or opinion

Balk

Bellyache

Bitch

Bleat

Carp

Caterwaul

Cavil

Censure

Challenge

Complain

Conflict

Crab

Criticise

Croak

Dare

Debate

Defy

Demonstrate

Demur

Denounce

Dispute

Disobey

Expostulate

fight

Fuss

Gag

Gripe

Grizzle

Grouch

Grouse

Growl

Grumble

Grump

Holler

Keen

Kick

Maunder

Moan

Murmur

Mutter

Nag

Object

Protest

Quarrel

Rebel

Remonstrate

Remonstrate with

Repine

Scream

Squabble

Squawk

Squeal

Stick

Take exception

Take issue

Wail

Whimper

Whine

Whinge

withstand

Yammer

Yawp

Yaup

Yowl