Antonyms of adj brattish

1 sense of brattish

Sense 1
bratty, brattish -- ((used of an ill-mannered child) impolitely unruly)

INDIRECT (VIA impolite) -> polite -- (showing regard for others in manners, speech, behavior, etc.)

Similarity of adj brattish

1 sense of brattish

Sense 1
bratty, brattish -- ((used of an ill-mannered child) impolitely unruly)
       => impolite (vs. polite) -- (not polite)