Antonyms of adj snappish

1 sense of snappish

Sense 1
snappish, snappy -- (apt to speak irritably; "a snappish tone of voice")

INDIRECT (VIA ill-natured) -> good-natured -- (having an easygoing and cheerful disposition; "too good-natured to resent a little criticism"; "the good-natured policeman on our block"; "the sounds of good-natured play")

Similarity of adj snappish

1 sense of snappish

Sense 1
snappish, snappy -- (apt to speak irritably; "a snappish tone of voice")
       => ill-natured (vs. good-natured) -- (having an irritable and unpleasant disposition)