Read the dictionary definition of in. All definitions for this word.
1. a state in midwestern United States
2. a unit of length equal to one twelfth of a foot
3. a rare soft silvery metallic element; occurs in small quantities in sphalerite
4. currently fashionable
1. the in thing to do
2. large shoulder pads are in
5. directed or bound inward
1. took the in bus
2. the in basket
6. holding office
1. the in party
7. to or toward the inside of
1. come in
2. smash in the door
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Merriam-Webster definition of in