let in

1 of 2

transitive verb

1

: to insert or embed in (a surface)

lets in diagonal sheathing at each corner of the house

2

: to involve or commit unfavorably

the provisions … could still let us in for trouble

—Elmer Davis

smiled at all her schemes, little dreaming that … she was letting him in for some £20,000

—Elizabeth Montizambert

3

: to share information with or allow to participate

learned a lot more … and I'll let you in on it

—Rex Ingamells

let-in

2 of 2

adjective

: shortened and widened by the cutting and sewing in of additional pieces

—used of pelts

Word History

Etymology

Adjective

let in

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!