in.
Within the boundaries
In marks location within boundaries or limits: in the house, in my pocket, in France.
It extends to time periods (in winter), states of being (in love), and membership (in the army).
What's in is current or fashionable: Minimalism is in.
The ins are those holding power.
As a prefix, in- can mean either inside (intake) or not (incomplete).
- amidIn the middle of
- insideThe inner area
- aboardUpon a vehicle
- withinIn the interior of
- interiorInside area or region
inner · included · enclosed · in bounds · indoor · in house · fashionable · immersed · in the zone · integrated · belongingness · fit in · in crowd · involved · inward · all in · ingrained · trendy