Antonyms of adj slam-bang

1 sense of slam-bang

Sense 1
slam-bang -- (violent and sudden and noisy; "a slam-bang collision")

INDIRECT (VIA violent) -> nonviolent -- (abstaining (on principle) from the use of violence)

Similarity of adj slam-bang

1 sense of slam-bang

Sense 1
slam-bang -- (violent and sudden and noisy; "a slam-bang collision")
       => violent (vs. nonviolent) -- (acting with or marked by or resulting from great force or energy or emotional intensity; "a violent attack"; "a violent person"; "violent feelings"; "a violent rage"; "felt a violent dislike")

Synonyms of adv slam-bang

3 senses of slam-bang

Sense 1
slapdash, slam-bang -- (in a careless or reckless manner; "the shelves were put up slapdash")

Sense 2
slam-bang -- (with heedless speed; "yachts ran slap-bang into the convoy at 15 knots an hour")

Sense 3
slam-bang, slap-bang -- (in a violent or sudden or noisy manner; "the pans fell slam-bang and woke the whole house")