whiniest
Supremely prone to grumbling
Whiniest is the superlative form of whiny—the most prone to complaining in a high-pitched, irritating tone.
She's the whiniest kid in the whole class.
The word implies not just frequent complaints but an especially grating quality to them.
Ill-mannered like children
- spoiledRuined or overindulged
- petulantChildishly bad-tempered
- poutySullen in expression
- sulkyMoody and silently resentful
fussy · immature · juvenile · infantile · tantrum · babyish · coddled · willful
High-pitched and harsh
- high-pitchedHigh in frequency
- nasalOf the nose
- piercingPenetrating or very sharp
- gratingCrossed bars or harsh
screechy · squeaky · keening · droning · plaintive · sniveling · mewling · whimpering
Childishly bad-tempered
- peevishHabitually fretful
- fretfulAnxiously irritable
- testyShort-tempered, easily provoked
- crankyIll-tempered and peevish
grumpy · touchy · snappish · sullen · cantankerous · irascible · crotchety · cross
Habitual fault-finder
- bellyacherHabitual complainer
- moanerOne who grumbles habitually
- kvetcherHabitual complainer
- naggerHabitual pestering person
fusspot · malcontent · griping · carping · nitpicking · grousing · grouching · caviling
bratty
Ill-mannered like children
sulky · fussy · immature · juvenile · infantile · tantrum · babyish · coddled · willful · temperamental
shrill
High-pitched and harsh
- high-pitchedHigh in frequency
- nasalOf the nose
- piercingPenetrating or very sharp
grating · screechy · squeaky · keening · droning · plaintive · sniveling · mewling · whimpering · simpering
petulant
Childishly bad-tempered
cranky · grumpy · touchy · snappish · sullen · cantankerous · irascible · crotchety · cross · churlish
grumbler
Habitual fault-finder
- bellyacherHabitual complainer
- moanerOne who grumbles habitually
- kvetcherHabitual complainer
nagger · fusspot · malcontent · griping · carping · nitpicking · grousing · grouching · caviling · faultfinding