in
in
adjective
Currently fashionable, popular, or accepted by a particular group.
"That style is really in now."
adverb
Moving or being situated towards or within an enclosed space or area.
"Please come in, it's cold."
preposition
Expressing location or position within an area, container, or enclosed space.
"The cat is in the garden."
Thesaurus
Synonyms: inch, inward, inwards, atomic number 49, indium, Hoosier State, Indiana, Ind., stylish, fashionable