Pronunciation (UK) IPA (key): /ˈrəʊvə(r)/ (US) IPA (key): /ˈroʊvɚ/ Audio (UK)(file) Hyphenation: ro‧ver Noun Singular rover Plural rovers (countable) A rover is someone who roves. Synonyms: roamer, wanderer and nomad (countable) A rover is a vehicle used to explore astronomical objects such as Mars. Synonym: roamer Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads