Antonyms of adj double-quick

1 sense of double-quick

Sense 1
double-quick -- ((of a marching cadence) very quick)

INDIRECT (VIA fast) -> slow -- (not moving quickly; taking a comparatively long time; "a slow walker"; "the slow lane of traffic"; "her steps were slow"; "he was slow in reacting to the news"; "slow but steady growth")

Similarity of adj double-quick

1 sense of double-quick

Sense 1
double-quick -- ((of a marching cadence) very quick)
       => fast (vs. slow) -- (acting or moving or capable of acting or moving quickly; "fast film"; "on the fast track in school"; "set a fast pace"; "a fast car")

Synonyms of adv double-quick

1 sense of double quick

Sense 1
double time, double quick -- (at a faster speed; "now let's play the piece again double-quick")