complain (v.)
- accuse
 - ail
 - allege
 - arraign
 - article
 - beef
 - bellyache
 - bemoan
 - bitch
 - boggle
 - book
 - boycott
 - challenge
 - charge
 - cite
 - clamor
 - confront
 - crab
 - croak
 - cry
 - demonstrate
 - demur
 - denounce
 - dispute
 - dissent
 - expostulate
 - finger
 - fret
 - front
 - fuss
 - gripe
 - groan
 - grouch
 - grouse
 - growl
 - grumble
 - grunt
 - holler
 - howl
 - impeach
 - imply
 - impute
 - indict
 - insinuate
 - kick
 - lament
 - march
 - moan
 - murmur
 - mutter
 - nag
 - object
 - oppose
 - pester
 - picket
 - protest
 - rally
 - recalcitrate
 - remonstrate
 - repine
 - report
 - reproach
 - revolt
 - scruple
 - squawk
 - stand
 - strike
 - suffer
 - task
 - tax
 - twit
 - wail
 - whimper
 - whine
 - withstand
 - worry
 - yap
 - yelp