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(somehow) (with something) to match up or harmonize with something in some fashion. Your itinerary fits in well with my plans. This fits in very poorly with what I had planned.
(with someone or something) to be comfortable with someone or something; to be in accord or harmony with someone or something. I really feel as if I fit in with that group of people. It's good that you fit in. This chair doesn't fit in with the style of furniture in my house.
fit in(to) something
[for something] to be a suitable size to go into something. This peg does not fit into this hole. That huge sofa simply doesn't fit in through the door.
fit someone or something in(to) somethingand fit someone or something in
to manage to place someone or something into something. I think I can fit you into my schedule. I have fit in three people already today. The shelf is tight, but I think I can fit one more book in.
to belong Once you find where you fit in best, school goes much better.
fit in somebody/somethingalso fit somebody/something in
to include an activity or person Where do you find the time in your day to fit in your children?
1. Also, fit into. Provide a place or time for. For example, We can't fit in another appointment-there's no time, or That tree won't fit into the hole you've dug. [Late 1600s]
2. fit in with. Be suited to, belong. For example, I just don't fit in with this group, or Her mood fitted in with the sad occasion.
1. To be easily accommodated; fit: The puzzle piece fits in here.
2. To belong to a group or to have similarities with members of a group: I never fit in with the popular crowd at school. The kids felt awkward in their new school, but soon they found that they fit in well.
3. To be logically or seamlessly related to something; mesh: My role as supervisor fits in with my authoritative personality.
4. To cause something to be placed or accommodated within specific limits: I don't know if we can fit the paragraph in the space provided. We can fit you in at noon.