fit in

fit in (third-person singular simple present fits in, present participle fitting in, simple past fit in or fitted in, past participle fit in)

1. Used other than figuratively or idiomatically: see fit,‎ in.

   The plug fits in the socket.

2. (figuratively, intransitive) To be of a like type with others; to be socially accepted.

   The recluse did not fit in at the party.

   • 2011, Dia Frampton (lyrics and music), “The Broken Ones”, in Red‎, performed by Dia Frampton:

     And oh, maybe I see a part of me in them / The missing piece, always trying to fit in / The shattered heart, hungry for a home / No, you're not alone / I love the broken ones

   • 2014, Ruzwana Bashir, "The untold story of how a culture of shame perpetuates abuse. I know, I was a victim", The Guardian, 29 August 2014:

     At 18 I was fortunate enough to receive an offer to study at Oxford University. I was enthralled with the exciting new world around me and tried desperately to fit in.

3. (with with) To suit or conform to.

   I'm afraid that does not fit in with our plans.

• squeeze in, squeeze into, fit into

• infit