fit in verb7 •To be physically capable of going into a space. •(figurative) To be or become of a like type with others; (especially) to be or become socially accepted.The recluse did not fit in at the party. •To find or make a place for: •(figurative) To designate a job, role, or task for.Just show up ready for work, and they'll fit you in no matter what your skills are. •(figurative) To incorporate into a schedule; to create an appointment, slot, or time for.The dentist said he can't fit me in until Thursday.I don't have time to work on your house today, but I'll fit it in tomorrow. •(figurative) (followed by with) To conform, to be suitable.I'm afraid that does not fit in with our plans. •(figurative) (used alone or followed by with) To be consistent or reconcilable (with other facts or ideas).We felt confident about our previous theory, but the results of the latest experiments don't fit in.He was the top suspect in the downtown crime spree, and these robberies fit in with the pattern. formsfitted in · fitting in · fits in