stopper

nouns

an act so striking or impressive that the show must be delayed until the audience quiets down
show-stopper, showstopper, stopper
a remark to which there is no polite conversational reply
conversation stopper, stopper
(bridge) a playing card with a value sufficiently high to insure taking a trick in a particular suit
"if my partner has a spade stopper I can bid no trump"
stopper
domain category
any of various card games based on whist for four players
bridge
is a type of (narrower)
one of a pack of cards that are used to play card games
playing card
blockage consisting of an object designed to fill a hole tightly
plug, stopper, stopple
is derived from
stop

verbs

close or secure with or as if with a stopper
"She stoppered the wine bottle"; "The mothers stoppered their babies' mouths with pacifiers"
stopper, stopple