wrecker /ˈɹɛkɚ/noun 5forms 1phrases 1 noun5 •One who breaks up situations or events. •A tow truck. •(Australia) A person or company that dismantles old or wrecked vehicles or other items, to reclaim useful parts. •(historical) Someone accused of the formal charge of wrecking; that is, of undermining the state in intangible ways. •A mooncusser (type of land-based pirate). formswreckers Phrases with wrecker home wreckerA person who gains the affections of someone already married or engaged, and thus causes the dissolution of the marriage or engagement.