Pronunciation change

verb
  • IPA (key): /ˌəʊvə(r)ˈtɜː(r)n/
  • (file)
noun
  • IPA (key): /ˈəʊvə(r)ˌtɜː(r)n/
  • (file)

Verb change

Plain form
overturn

Third-person singular
overturns

Past tense
overturned

Past participle
overturned

Present participle
overturning

  1. (transitive & intransitive) If you overturn something, you tip it to its side so that it is on its side or upside down.
  2. (transitive) (law) If you overturn a decision, you reverse or invalidate it.

Noun change

Singular
overturn

Plural
overturns

  1. (countable) An overturn is the act of turning over or upside-down.