maugréer signifie anglais

grumble [grumbled, grumbling, grumbles]▼◼◼◼(to murmur or mutter with discontent)
verb
[UK: ˈɡrʌm.bl̩] [US: ˈɡrʌm.bl̩]

carp [carped, carping, carps]▼(To complain about a fault)
verb
[UK: kɑːp] [US: ˈkɑːrp]