We found 2 dictionaries that define the word conversation stoppers:

General (2 matching dictionaries)

1. conversation stoppers: Collins English Dictionary
2. conversation stoppers: Cambridge Advanced Learner's Dictionary

(Note: See conversation_stopper as well.)

Definitions from Wiktionary (conversation stopper) ▸ noun:  A comment that abruptly ends a conversation. ▸ Also see conversation_stopper ▸ Words similar to conversation stoppers ▸ Usage examples for conversation stoppers ▸ Idioms related to conversation stoppers ▸ Wikipedia articles (New!) ▸ Words that often appear near conversation stoppers ▸ Rhymes of conversation stoppers ▸ Invented words related to conversation stoppers