start in on

phrasal verb
Updated on: 15 Nov 2017

Definition of start in on

chiefly US, informal
1 :to start doing (a particular activity or action)
  • She started in on another book.
2 :to criticize (someone) about something
  • My dad started in on me about not having a job.

Word by Word Definitions

start play
  1. : to move suddenly and violently : spring

  2. : to react with a sudden brief involuntary movement

  3. : to issue with sudden force

  1. : a sudden involuntary bodily movement or reaction

  2. : a brief and sudden action or movement

  3. : a sudden capricious impulse or outburst


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