Double-quick and Harum-scarum

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

Harum-scarum and double-quick are semantically related. In some cases you can use "Harum-scarum" instead an adjective phrase "Double-quick".

Harum-scarum adjective - Having or showing a lack of concern for the consequences of one's actions.

Double-quick and harum-scarum are semantically related. Sometimes you can use "Double-quick" instead an adjective phrase "Harum-scarum".