wrecker n. + Add to list US //ˈɹɛkɝ// UK //ɹˈɛkɐ// wreck·er Archaic SynonymsEtymology Synonyms diversionistsaboteurOrigin From wreck + -er. Idioms1 entry01home wreckerA person who gains the affections of someone already married or engaged, and thus causes the dissolution of the marriage or engagement.