showstopper, show-stopper
(noun) something that is strikingly attractive or has great popular appeal; “she has a show-stopper of a smile”; “the brilliant orange flowers against the green foliage were a showstopper”
showstopper, show-stopper, stopper
(noun) an act so striking or impressive that the show must be delayed until the audience quiets down
Source: WordNet® 3.1
showstopper (plural showstoppers)
A performance or segment of a theatrical production that induces a positive audience reaction strong enough to pause the production.
Any impediment that prevents all further progress; especially a software bug that must be fixed before any further development is possible.
Ambiguous connotation, depending on context: very good or very bad.
Source: Wiktionary
17 May 2025
(noun) sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
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