Double-quick and Like crazy

Double-quick adjective - (of a marching cadence) very quick.

Like crazy and double-quick are semantically related in very fast topic. In some cases you can use "Like crazy" instead an adjective phrase "Double-quick".

Like crazy adverb - With great speed or effort or intensity.

Double-quick and like crazy are semantically related in very fast topic. Sometimes you can use "Double-quick" instead an adjective phrase "Like crazy".