Breakneck and Lickety split

Breakneck adjective - Moving, proceeding, or acting with great speed.

Lickety split and breakneck are semantically related In some cases you can use "Lickety split" instead the word "Breakneck" as an adjective or an adverb.

Lickety split adverb - Without delay.

Breakneck and lickety split are semantically related in fast topic. Sometimes you can use "Breakneck" instead the phrase "Lickety split" as an adverb or an adjective, if it concerns topics such as speedy.