— used to indicate location or position within something

: to the inside of (a room, container, etc.)

a  — used to indicate that someone or something belongs to or is included as part of something

b  — used to indicate the existence of something or someone within a story, movie, etc.

a  : during (a period of time, a season, etc.)

b  : at the end of (a period of time)

c  — used to indicate an approximate age or number

a  — used to indicate the method, materials, or form of something

b  — used to indicate the color of something

a  — used to indicate the state or condition of someone or something

b  : to a specified state, condition, or form

— used to indicate how people or things are arranged

— used to indicate the conditions that are around someone or something

: while or as a result of (doing something)

— used to indicate the manner or purpose of something

— used to make a statement or description more limited or specific in meaning

— used to indicate the person who is being described

— used to indicate the object of a belief, opinion, or feeling

— used to indicate a job or area of activity

— used to indicate the existence of something as a part of someone's character

: wearing (something) as clothes

— used to describe how common something is by comparing a smaller number to a larger number

: to or toward the inside of something (such as a building)

a  : to or toward a place

b  : at the place where someone or something arrives after traveling

: at or inside a home, office, etc.

: at or to a location that is near to something or that seems near to something

a  : in a way that will blend into or join with something

b  : to or at a proper or indicated place

c  : in a way that will agree or be in harmony

: in a way that surrounds something or someone or prevents something or someone from leaving — sometimes used in combination

: in the position of someone who is involved or participating in something

: in or into a position or job

: in a friendly relationship with someone

also : in a specified sort of relationship

: present or in your possession and available for use

sports : inside the area where players or the ball must stay in sports like tennis, basketball, and American football : not out of bounds

: popular or fashionable

: aware of and strongly influenced by what is new and fashionable — see also in-group, in-joke

: a way of becoming involved in something or of influencing someone — see also vai de bet:ins and outs