Definition of turn on in English:

turn on

1Suddenly attack physically or verbally: he turned on her with cold savagery
More example sentences
  • Suddenly Lily turns on her.
  • Should he lose, it will be like a pack of wolves that suddenly turns on itself.
  • He said he feared for his life after the three men suddenly turned on him and started punching him.
attack, set on, fall on, launch an attack on, let fly at, lash out at, hit out at; weigh into, round on, lose one's temper with
British informal have a go at
North American informal light into
2Have as the main topic or point of interest: for most businessmen, the central questions will turn on taxation
More example sentences
  • In such a world there is no space for a communication without a topic that turns on money.
  • The question turns on that vexed subject, the moral status of the human embryo.
  • That the question turns on the meaning of a passage from Scripture is not insignificant.
depend on, rest on, hang on, hinge on, be contingent on, be decided by; concern, revolve round, relate to
See parent entry: turn

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Word of the day brannigan
Pronunciation: ˈbranɪg(ə)n
a brawl or violent argument