in vs out of fashion

adv

After the beginning of something.
The show still didn't become interesting 20 minutes in.
Denotes a gathering of people assembled for the stated activity, sometimes, though not always, suggesting a protest.
Towards the speaker or other reference point.
At or towards the interior of a defined space, such as a building or room.
So as to be enclosed or surrounded by something.

prep

Within the bounds or limits of.
During (a period of time).
Into.
Indicates, connotatively, a place-like form of someone's (or something's) personality, as his, her or its psychic and physical characteristics.
Used to indicate a language, script, tone, etc. of a text, speech, etc.
Characterized by.
In replacing the faucet washers, he felt he was making his contribution to the environment.
Surrounded by; among; amidst.
Denoting a state of the subject.
Less water gets in your boots this way.
In the form of, in the denomination of.
Indicating an order or arrangement.
Contained by.
Part of; a member of; out of; from among.
Within (a certain elapsed time); by the end of.
At the end of (a period of time).
Wearing (an item of clothing).
Used to indicate limit, qualification, condition, or circumstance.
Pertaining to; with regard to.

adj

In fashion; popular.
Falling or remaining within the bounds of the playing area.
(Britain, Ireland, Australia, New Zealand) Burning; ablaze.
Having familiarity or involvement with somebody.
Inserted or fitted into something.
With privilege or possession; used to denote a holding, possession, or seisin
Incoming.
Located indoors, especially at home or at one's office or place of work.
Having been collected or received.
Of the tide, at or near its highest level.
Currently batting.
He is very in with the Joneses.
Having a favourable position, such as a position of influence or expected gain, in relation to another person.
Furled or stowed.
Located inside something.

noun

prep