If you are in on something, you are involved in it or know about it.
I don't know. I wasn't in on that particular argument.
I'm going to let you in on a little secret.
Synonyms: aware of, familiar with, conscious of, wise to [slang] More Synonyms of in on
See full dictionary entry for in
in on in British English
acquainted with or sharing in
I was in on all his plans
See full dictionary entry for in
in on in American English
having a share or part of
See full dictionary entry for in
Examples of 'in on' in a sentence
in on
On the way to the bathroom, I looked in on Bagado, who had gone.
Robert Wilson INSTRUMENTS OF DARKNESS (2002)
The only people he got to put in the slammer were the ones who'd reined in on last year's Christmas gift to the Commandant.
Robert Wilson A DARKENING STAIN (2002)
Shelves of paper pressed in on them: charge-sheets, witness reports, pamphlets: they were surrounded by officialdom.
Jon Cleary YESTERDAY'S SHADOW (2002)
You told me he sensed you and I were close when I burst in on you in his room in the ER.
Gregg Andrew Hurwitz DO NO HARM (2002)
All related terms of 'in on'
get in on
If you get in on something that other people are already involved in, you take part in it.
let in on
If you let someone in on something that is a secret from most people, you allow them to know about it.
sit in on
If you sit in on a lesson , meeting , or discussion , you are present while it is taking place but do not take part in it.
cash in on
to get profit or profitable use from
move in on
to draw near, with the intention of capturing
walk in on
If you walk in on someone, you enter the room that they are in while they are doing something private , and this creates an embarrassing situation.
zero in on
To zero in on a target means to aim at it or move towards it.
break in on
to intrude on
home (in) on
to guide , or be guided as by radar , heat, etc., to (a destination or target )
horn in (on)
to intrude or meddle (in)
key (in) on
to focus one's attention , effort , etc. on
look in (on)
to pay a brief visit (to)
be borne in on
(of a fact ) to be realized by (someone)
on heat/in heat
When a female animal is on heat in British English, or in heat in American English, she is in a state where she is ready to mate with a male animal, as this will probably result in her becoming pregnant .
fill someone in on
to provide someone with additional facts , details , etc. about
turn in on oneself
to withdraw or cause to withdraw from contact with others and become preoccupied with one's own problems
get in
If a political party or a politician gets in , they are elected.
get in on the act
If you get in on the act , you take part in or take advantage of something that was started by someone else.
in on the ground floor
in at the beginning (of a business, etc.) and thus in an especially advantageous position
get in on the ground floor
to get involved from the very beginning with something, especially something that is likely to be profitable for you
in decline/on the decline
If something is in decline or on the decline , it is gradually decreasing in importance , quality , or power .
hang in there/hang on in there
If you tell someone to hang in there or to hang on in there , you are encouraging them to keep trying to do something and not to give up even though it might be difficult .
irons in the fire to have irons on the fire
If someone has a lot of irons in the fire , they are involved in several different activities or have several different plans .
to cut your teeth on something cut your teeth in/as
If you say that someone cut their teeth doing a particular thing, at a particular time, or in a particular place, you mean that that is how, when, or where they began their career and learned some of their skills .
(phrase)
Definition
acquainted with or sharing in
I wasn't in on that particular discussion.
Synonyms
aware of
They are well aware of the dangers.
familiar with
only too familiar with the problems
conscious of
wise to (slang)
Consumers are becoming wise to the tricks of the marketing trade.
mindful of
acquainted with
alive to
You must be alive to opportunity!
hip to (slang)
appreciative of
attentive to
conversant with
apprised of
cognizant of
sensible of
See in
Additional synonyms
in the sense of alive to
Definition
aware of
You must be alive to opportunity!
Synonyms
aware of,
sensitive to,
susceptible to,
alert to,
eager for,
awake to,
cognizant of,
sensible of
in the sense of familiar with
Definition
well acquainted with
only too familiar with the problems
Synonyms
acquainted with,
aware of,
introduced to,
conscious of,
at home with,
no stranger to,
informed about,
abreast of,
knowledgeable about,
versed in,
well up in,
proficient in,
conversant with,
on speaking terms with,
in the know about,
au courant with,
au fait with
in the sense of wise to
Definition
aware of or informed about
Consumers are becoming wise to the tricks of the marketing trade.