do

1 do /ˈduː/ verb
does /ˈdʌz/ ; did /ˈdɪd/ ; done /ˈdʌn/ ; doing /ˈduːwɪŋ/
1 do
/ˈduː/
verb
does /ˈdʌz/ ; did /ˈdɪd/ ; done /ˈdʌn/ ; doing /ˈduːwɪŋ/
Britannica Dictionary definition of DO
1 
a  : to perform (an action or activity)
[+ object]
[no object]
b  [+ object] — used with what to ask or talk about a person's job
2 
[+ object] : to finish working on (something)
— compare 2done 1
3 
[no object] — used to describe the success or progress of someone or something
◊ How are you doing? or (very informally) How you doing? is used as a greeting.
4 
[+ object] — used to describe the effect that something has
5 
— used to describe the amount of effort someone makes
[+ object]
[no object]
6 
[+ object]
a  : to create or produce (something)
b  : to perform in or be the producer or director of (a movie, play, etc.)
7 
[+ object]
a  : to play (a role or character)
b  : to pretend to be (someone, such as a famous person) : to copy the speech and appearance of (someone)
c  informal : to behave like (someone)
8 
[+ object]
a  : to wash or clean (something)
b  : to decorate (a place)
— see also do over 2 (below)
c  : to make (someone's face, hair, etc.) more attractive by putting on makeup, etc.
d  : to put on (makeup)
9 
[+ object] : to cook or prepare (food)
— compare 2done 2
10 
[+ object] : to make or sell (a product)
11 
[+ object] chiefly US, informal : to participate in (an activity) with other people
— see also do lunch at 1lunch
12 
[+ object] : to go to (a place) when traveling
13 
[+ object]
a  : to move or travel (a distance)
b  : to move at (a speed)
14 
[+ object] : to be in a place for (a period of time)
especially : to be in a prison for (a period of time)
— sometimes used figuratively
15 
a  : to be enough : to be adequate
[no object]
[+ object]
b 
◊ Phrases like that will do (it) and that should do (it) are used in informal speech to tell someone that you do not want or need anything more.
◊ That will do it and that should do it are also used to say that you have finished doing something or are about to finish doing something.
◊ That will do is also sometimes used to tell someone (such as a child) to stop doing or saying something that is bothering you or making you angry.
c 
◊ The phrase that does it is used to say that you have finished doing something.
◊ That does it is also used in angry speech to say that you will not accept or allow something anymore.
16 
[no object] : to be proper — used in negative statements
◊ In U.S. English, this sense of do has a somewhat formal or old-fashioned quality.
— compare 2done 3
17 
[+ object] informal : to use (illegal drugs)
18 
[no object] informal
a  : to happen
b 
◊ People ask what is something/someone doing…? when they are surprised or upset about where someone or something is.
◊ People ask what is someone doing with (something)? when they are surprised or upset because someone has something.
19 
[+ object] informal + offensive : to have sex with (someone)

be to do with

— see have to do with (below)

do a number on

— see 1number

do away with

[phrasal verb]
1 
do away with (someone) : to kill (someone)
2 
do away with (something) : to cause the end of (something) : to get rid of (something)

do battle

— see 1battle

do by

[phrasal verb]
do by (someone)
: to deal with or treat (someone) well or badly
— see also hard done by at 2hard

do down

[phrasal verb]
do (someone) down British, informal
: to talk about (someone) in an insulting or critical way

do for

[phrasal verb]
1 
do for (someone) British, informal
: to cause the death or ruin of (someone)
— see also done for at 2done
2 
: to do the cleaning and cooking for (someone)

do good

— see 2good

do in

[phrasal verb]
1 
do (someone) in informal
a  : to kill (someone)
: to cause the death of (someone)
b  : to cause the failure of (someone)
2 
: to make (someone) very tired
— see also done in at 2done

do it

informal
: to have sex

do justice

— see justice

do out of

[phrasal verb]
do (someone) out of (something) informal
: to unfairly prevent (someone) from getting or having (something)

do over

[phrasal verb]
1 
do (something) over US : to do (something) again
2 
do (something) over or do over (something) : to decorate or change a room, house, etc., so that it looks very different
3 
do (someone) over or do over (someone) British, informal : to attack and beat (someone)

do someone proud

— see proud

do the trick

— see 1trick

do up

[phrasal verb]
1 
do up (something) or do (something) up
a  : to decorate (something)
b  : to adjust (something, such as your hair) in a particular way
c  chiefly British : to wrap (something)
d  chiefly British : to repair (something)
2 
do (someone) up : to dress (someone) up : to put attractive clothes, makeup, etc., on (someone)
3 
do up or do (something) up or do up (something) of clothing : to be fastened or to fasten (something) with buttons, a zipper, etc.

do well

◊ If you would do well to do something, you should do it.
◊ If you did well to do something, you were correct to do it.
◊ If you did well to escape, survive, etc., you were lucky to escape, survive, etc.

do with

[phrasal verb]
do with (something)
: to be helped by having (something)

do without

[phrasal verb]
do without or do without (something or someone)
: to not have (something) : to live, work, etc., without having (something)
◊ The phrase can/could do without is often used to say that you do not like or approve of something.

do your bit

— see 1bit

easy does it

— see 2easy

have to do with

1 
or chiefly British be to do with
a  : to relate to (something) : to be about (something)
b  : to relate to or involve (someone)
2 
: to be involved in or in some way responsible for (something)
3 
◊ If you do not want to have anything to do with someone or if you want nothing to do with someone, you do not want to be involved with that person in any way.

how do you do?

— see 1how

make do

— see 1make

nothing doing

— see 1nothing
2 do /ˈduː/ verb
does; did; doing negative forms do not or don't; did not or didn't; does not or doesn't
2 do
/ˈduː/
verb
does; did; doing negative forms do not or don't; did not or didn't; does not or doesn't
Britannica Dictionary definition of DO
[auxiliary verb]
1 
a  — used before the subject in a question
b  — used to form brief questions (called tag questions) that come at the end of a statement
2 
a  — used with not to form negative statements
b  — used with not to form commands
c  somewhat formal — used before the subject in a statement after words like never, seldom, and rarely
3 
— used to replace another verb or verb phrase
4 
a  — used to make a statement stronger
b  somewhat formal — used as a polite way to tell or urge someone to do something
3 do /ˈduː/ noun
plural dos
3 do
/ˈduː/
noun
plural dos
Britannica Dictionary definition of DO
[count] informal
1 
: something that a person should do — usually used in the phrase dos and don'ts
2 
US : a way of cutting and arranging a person's hair : hairdo
3 
: a party or social gathering
4 do /ˈdoʊ/ noun
or chiefly British doh
4 do
/ˈdoʊ/
noun
or chiefly British doh
Britannica Dictionary definition of DO
[noncount]
: the first note of a musical scale