Antonyms of adj whiny

1 sense of whiny

Sense 1
fretful, querulous, whiney, whiny -- (habitually complaining; "a whiny child")

INDIRECT (VIA complaining) -> uncomplaining -- (not complaining; "uncomplaining courage")

Similarity of adj whiny

1 sense of whiny

Sense 1
fretful, querulous, whiney, whiny -- (habitually complaining; "a whiny child")
       => complaining (prenominal) (vs. uncomplaining), complaintive -- (expressing pain or dissatisfaction of resentment; "a complaining boss")