let in

See also: letin

English edit

let in (third-person singular simple present lets in, present participle letting in, simple past and past participle let in)

(transitive) To let someone or something come in; to admit someone or something in.
Antonyms: keep out, lock out

He opened the window to let in the air.
1. To divulge one's inner thoughts to (someone), making oneself emotionally vulnerable to them; to open up to (someone).
  - 2004, “Somewhere Only We Know”, in Hopes and Fears, performed by Keane:
    So tell me when you're gonna let me in / I'm getting tired and I need somewhere to begin
(transitive, Oxford University slang) To associate with.
- 1859, Thomas Hughes, chapter 1, in Tom Brown at Oxford:
  He has also been good enough to recommend to me many tradesmen who are ready to supply these articles in any quantities; each of whom has been here already a dozen times, cap in hand, and vowing that it is quite immaterial when I pay—which is very kind of them; but, with the highest respect for friend Perkins (my scout) and his obliging friends, I shall make some enquiries before "letting in" with any of them.
(UK, slang, obsolete) To cheat or victimize.
He let me in heavily.

to let someone or something come in