Idioms

Origin of do

1
before 900; Middle English, Old English dōn; cognate with Dutch doen, German tun; akin to Latin -dere to put, facere to make, do, Greek tithénai to set, put, Sanskrit dadhāti (he) puts

Can be confused

dew do dew

Synonym study

3. Do, accomplish, achieve mean to bring some action to a conclusion. Do is the general word: He did a great deal of hard work. Accomplish and achieve both connote successful completion of an undertaking. Accomplish emphasizes attaining a desired goal through effort, skill, and perseverance: to accomplish what one has hoped for. Achieve emphasizes accomplishing something important, excellent, or great: to achieve a major breakthrough.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for do in (1 of 5)

do in


verb (tr, adverb) slang

to murder or kill
to exhaust

British Dictionary definitions for do in (2 of 5)

DO


abbreviation for

Doctor of Optometry
Doctor of Osteopathy

British Dictionary definitions for do in (3 of 5)

do

1
/ (duː, unstressed , ) /

verb does, doing, did or done

noun plural dos or do's

Word Origin for do

Old English dōn; related to Old Frisian duān, Old High German tuon, Latin abdere to put away, Greek tithenai to place; see deed, doom

British Dictionary definitions for do in (4 of 5)

do

2
/ (dəʊ) /

noun plural dos

a variant spelling of doh 1

British Dictionary definitions for do in (5 of 5)

do

3

the internet domain name for

Dominican Republic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with do in

do in


1

Tire out, exhaust, as in Running errands all day did me in. [Colloquial; early 1900s] Also see done in.

2

Kill, as in Mystery writers are always thinking of new ways to do their characters in. [Slang; early 1900s] Also see def. 4.

3

Ruin utterly; also cheat or swindle. For example, The five-alarm fire did in the whole block, or His so-called friend really did him in. [First half of 1900s]

4

do oneself in. Commit suicide, as in She was always threatening to do herself in. [Slang; first half of 1900s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.