verb

complain about something in a bad-tempered way.

‘I’m getting old,’ she grumbled

complain,moan,groan,whine,mutter,grouse,bleat,carp,cavil,protest,object to,speak out against,find fault with,mither,twine,bellyache,beef,bitch,grouch,sound off,go on,pick holes in,whinge,gripe,grizzle,chunter,create,kvetch,chirp,crib,natter,plain over

noun

a complaint.

the main grumble is that he spends too much time away

complaint,moan,groan,whine,muttering,grievance,objection,protest,protestation,cavil,quibble,criticism,charge,accusation,grouse,grouch,beef,beefing,bellyaching,bitching,grouching,whinge,gripe,whingeing,plaint