Crossword Dictionary

UNZIP

unzip, unzips, unzipped, unzipping - v 
to open the zipper of 

wordplays

Synonyms

unbutton, unclench, unfold, unfurl, unbar, unbolt, unclasp, unfasten, unlatch, unlock, disengage, release, slip, open, unclose

merriam-webster

Examples

“His face glowed with frenzied need while he worked quickly to unzip his pants.”

“Some of these bags unzip to double up as a changing mat.”

“Next time you might be going saltwater fly-fishing, you unzip the trout units and zip on your saltwater units.”

yourdictionary

Etymology

1939, from un- (2) "opposite of" + zip (v.). Related: Unzipped; unzipping.

un- (2)
prefix of reversal, deprivation, or removal (as in unhand, undo, unbutton), Old English on-, un-, from Proto-Germanic *andi- (source also of Old Saxon ant-, Old Norse and-, Dutch ont-, Old High German ant-, German ent-, Gothic and- "against"), from PIE *anti "facing opposite, near, in front of, before, against" (from PIE root *ant- "front, forehead," with derivatives meaning "in front of, before").

zip (v.1)
"move rapidly," 1852, of echoic origin. Meaning "close with a zipper" is from 1932. Related: Zipped; zipping.

etymonline