1. To perform or execute: do one's assigned task; do a series of business deals.
2. To fulfill the requirements of: did my duty at all times.
3. To carry out; commit: a crime that had been done on purpose.
2.
1. To produce, especially by creative effort: do a play on Broadway.
2. To play the part or role of in a creative production: did Elizabeth I in the film.
3. To mimic: “doing the Southern voice, improvising it inventively as he goes along” (William H. Pritchard).
3.
1. To bring about; effect: Crying won't do any good now.
2. To render; give: do equal justice to the opposing sides; do honor to one's family.
4. To put forth; exert: Do the best you can.
5.
1. To attend to in such a way as to take care of or put in order: did the bedrooms before the guests arrived.
2. To prepare for further use especially by washing: did the dishes.
6.
1. To set or style (the hair).
2. To apply cosmetics to: did her face.
7. To have as an occupation or profession: Have you decided what you will do after college?
8. To work out by studying: do a homework assignment.
9. Used as a substitute for an antecedent verb: He can play the piano, and I can do that, too.
10. Informal.
1. To travel (a specified distance): do a mile in four minutes.
2. To make a tour of; visit: “[He] did 15 countries of Western Europe in only a few days” (R.W. Apple, Jr.).
11.
1. To be sufficient in meeting the needs of; serve: This room will do us very nicely.
2. Informal. To serve (a prison term): did time in jail; did five years for tax fraud.
12. Slang. To cheat; swindle: do a relative out of an inheritance.
13. Slang. To take (drugs) illegally: “If you do drugs you are going to be in continual trouble” (Jimmy Breslin).
14. Slang. To kill; murder.
15. Vulgar Slang. To have sex with; bring to orgasm.

v.intr.

1. To behave or conduct oneself; act: Do as I say and you won't get into trouble.
2.
1. To get along; fare: students who do well at school.
2. To carry on; manage: I could do without your interference.
3. To make good use of something because of need: I could do with a hot bath.
3.
1. To serve a specified purpose: This coat will do for another season.
2. To be proper or fitting: Such behavior just won't do.
4. To take place; happen: What's doing in London this time of year?
5. Used as a substitute for an antecedent verb: worked as hard as everyone else did.
6. Used after another verb for emphasis: Run quickly, do!

v.aux.

1. Used with the infinitive without to in questions, negative statements, and inverted phrases: Do you understand? I did not sleep well. Little did we know what was in store for us.
2. Used as a means of emphasis: I do want to be sure.

n., pl. dos or do's.

1. A statement of what should be done: a list of the dos and don'ts of management.
2. Informal. An entertainment; a party: attended a big do at the embassy.
3. A commotion.
4. Chiefly British Slang. A swindle; a cheat.
5. Archaic. Duty; deed.
6. Slang. Fecal matter; excrement.

phrasal verbs:

do by

1. To behave with respect to; deal with: The children have done well by their aged parents.

do for

1. To care or provide for; take care of.

do in Slang.

1. To tire completely; exhaust: The marathon did me in.
2. To kill.
3. To ruin utterly: Huge losses on the stock market did many investors in.

do up

1. To adorn or dress lavishly: The children were all done up in matching outfits.
2. To wrap and tie (a package).
3. To fasten: do up the buttons on a dress.

do without

1. To manage despite the absence of: We had to do without a telephone on the island.

idioms:

can (or could) do without

1. To prefer not to experience or deal with: I could do without their complaints.

do a disappearing act Informal.

1. To vanish.

do away with

1. To make an end of; eliminate.
2. To destroy; kill.

do it Vulgar Slang.

1. To engage in sexual intercourse.

do (one) proud

1. To act or perform in a way that gives cause for pride.

do (one's) bit

1. To make an individual contribution toward an overall effort.

do (one's) business

1. Slang. To defecate. Used especially of a pet.

do (one's) own thing Slang.

1. To do what one does best or finds most enjoyable: “I get paid to try cases and to do my thing on trial” (Bruce Cutler).

[Middle English don, from Old English dōn.]

do2 (dō) pronunciation
n. Music.

The first tone of the diatonic scale in solfeggio.

[Italian, more singable replacement of ut. See gamut.]

do3 (dū) pronunciation
n. Slang., pl. dos.

A hairdo.

Thesaurus
do also do up

verb

1. To begin and carry through to completion: execute, perform, prosecute. Informal pull off. See do/not do.
2. To carry out the functions, requirements, or terms of: discharge, execute, exercise, fulfill, implement, keep, perform. Idioms: live up to. See do/not do.
3. To conduct oneself in a specified way: acquit, act, bear, behave, carry, comport, demean1, deport, quit. See be.
4. To progress or perform adequately, especially in difficult circumstances: fare, fend, get along, get by, manage, muddle through, shift. Informal make out. Idioms: make do, make shift. See thrive/fail/exist.
5. To produce on the stage: act (out), dramatize, enact, give, perform, present2, put on, stage. See performing arts.
6. To play the part of: act, enact, impersonate, perform, play, play-act, portray, represent. See action/inaction, performing arts, substitute.
7. To prepare (food) for eating by the use of heat: cook. See ingestion.
8. To journey over (a specified distance): cover, make. See move/halt.
9. To meet a need or requirement: answer, serve, suffice, suit. See excess/insufficiency/enough, help/harm/harmless.
10. To spend or complete (time), as a prison term: put in, serve. See time.
11. To get money or something else from by deceitful trickery: bilk, cheat, cozen, defraud, gull, mulct, rook, swindle, victimize. Informal chisel, flimflam, take, trim. Slang diddle1, gyp, stick, sting. See honest/dishonest.

phrasal verb - do for

To work and care for: attend, minister to, serve, wait on (or upon),, care for/neglect.

phrasal verb - do in

1. To make extremely tired: exhaust, fag (out), tire out, wear out. Informal knock out, tucker (out). Slang poop1 (out). Idioms: run ragged, take it out of. See tired/fresh.
2. To take the life of (a person or persons) unlawfully: destroy, finish (off), kill1, liquidate, murder, slay. Informal put away. Slang bump off, knock off, off, rub out, waste, wipe out, zap. See help/harm/harmless.

phrasal verb - do up

To cover and tie (something), as with paper and string: package, wrap. See put on/take off.

noun

A large or important social gathering: affair, celebration, festivity, fete, function, gala, occasion, party, soiree. Slang bash. See group, work/play.


Legal Dictionary
do
vb.

did done do·ing does -vt

1. perform execute
2. commit (did this act of cruelty) -verbal auxiliary -- used with the infinitive without to to form present and past tenses in legal and parliamentary language (do hereby bequeath)do business To be engaged in business activities (as soliciting sales); specif To engage in activities sufficient to subject a foreign company to the personal jurisdiction of a state (was sufficient to constitute doing business in the state - International Shoe Co. v. Washington, 326 U.S. 310 (1945)) see also doing business statute