Sudden knock Synonyms

Sudden replaced

Definitions for Sudden

(adjective) not expected
(adjective) happening without warning or in a short space of time

Synonyms for phrase

SK abbreviation

SK is an abbreviation for Sudden Knock

What does SK stand for?

SK stands for "Sudden Knock"

Knock replaced

sudden strike

sudden stroke

Definitions for Knock

(noun) a hard strike with a part of the body or an instrument
(noun) bad luck or an example of this
(noun) a change in status for the worse usually temporarily