Dictionary definition · IN
noun
- a state in midwestern United States, with capital Indianapolis
- a rare soft silvery metallic element; occurs in small quantities in sphalerite
- a unit of length equal to one twelfth of a foot
adjective
- holding office"the in party"
- directed or bound inward"took the in bus"
- currently fashionable"the in thing to do"
adverb
- to or toward the inside of"come in"
Source: Open English WordNet (CC BY 4.0).