unscrew

verbs

loosen something by unscrewing it
"unscrew the outlet plate"
entails
cause to turn on an axis or center
"Rotate the handle"
is a type of (narrower)
make loose or looser
"loosen the tension on a rope"
loosen by turning
"unscrew the bottle cap"
antonym
is a type of (narrower)
make loose or looser
"loosen the tension on a rope"