Definition of in deep in English:

in deep

Inextricably involved in or committed to a situation: he knew that he was in deep when his things began to proliferate in her apartment
More example sentences
  • The shooting began to sink in and he realised he was in deep, way over his head.
  • You're in deep in the system, in its fouled blood, in its creaking bones, in its edgy nerves.
  • Four likely London lads are in deep to a mobster and try to find ways to come up with the dosh.
See parent entry: deep

Definition of in deep in:

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Word of the day dissonant
Pronunciation: ˈdɪs(ə)nənt
adjective
lacking harmony