Antonyms of adj surly

1 sense of surly

Sense 1
surly, ugly -- (inclined to anger or bad feelings with overtones of menace; "a surly waiter"; "an ugly frame of mind")

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 surly

1 sense of surly

Sense 1
surly, ugly -- (inclined to anger or bad feelings with overtones of menace; "a surly waiter"; "an ugly frame of mind")
       => ill-natured (vs. good-natured) -- (having an irritable and unpleasant disposition)