set

1 set /ˈsɛt/ verb
sets; set; setting
1 set
/ˈsɛt/
verb
sets; set; setting
Britannica Dictionary definition of SET
1 
always followed by an adverb or preposition [+ object]
a  : to put (something) in a place or position
b  : to put (something) into the surface of something — often used as (be) set
c  : to attach (something, such as a jewel) to a piece of jewelry or other decoration
— often used as (be) set
2 
always followed by an adverb or preposition, [+ object] : to cause the action of (a film, story, etc.) to happen in a certain place or during a certain time — often used as (be) set
3 
[+ object]
a  : to make (something) ready to be used : to put (something) in a position to be used
b  : to put plates, forks, spoons, knives, etc., on a table before serving a meal
4 
[+ object] : to cause (a clock) to show a particular time
: to cause the controls of (a clock or other device) to be in a particular position
5 
[+ object] : to decide on or choose (something)
6 
[+ object]
a  : to give (a particular price or value) to something
b  : to give (a high value or importance) to something
7 
[+ object]
a  : to cause (something) to be accepted as an example, rule, etc. : to establish (a standard, trend, etc.) for others to follow or try to copy
b  : to establish (a record) as the performance or achievement that is the best of its kind
8 
[+ object] : to cause (someone or something) to be in a specified condition
9 
: to cause (someone or something) to start doing something
[+ object]
— often + to
[no object]
10 
[+ object] British : to give (someone) a particular job : to require someone to do (a task)
11 
[no object] of the sun or moon : to move down in the sky and go below the horizon — opposite 1rise 5
12 
[+ object] : to put and hold (your jaw, mouth, etc.) firmly into a certain position
13 
a  [no object] of a liquid : to become thick or hard
b  : to become permanent
[no object]
[+ object]
14 
: to put (a broken bone) into its normal position so it can heal
[+ object]
[no object]
15 
[+ object] : to give a particular style to (someone's hair) by wetting it, putting it in curlers or clips, and drying it
16 
[+ object] : to type or print (a word, sentence, etc.) in a particular form or style
17 
[+ object] : to add music to (words) : to create (music) to accompany words — usually + to

set about

[phrasal verb]
set about (something)
: to begin to do (something)
— sometimes followed by to + verb

set against

[phrasal verb]
1 
set (something) against (something)
a  : to compare (something) to (something else)
— often used as (be) set against
— see also 1set 2 (above)
b  British : to list (something) as an expense in order to reduce (income for which you must pay tax)
2 
set (yourself) against (something or someone) : to decide that you do not support (something or someone) : to be or become opposed to (something or someone)
3 
set (someone) against (someone) : to cause (someone) to disagree with or oppose (someone)

set apart

[phrasal verb]
1 
set (someone or something) apart : to be a quality that makes (someone or something) better than or different from other people or things — usually + from
2 
set (something) apart : to keep or save (something) for a particular purpose — often used as (be) set apart — usually + for

set aside

[phrasal verb]
1 
set (something) aside or set aside (something)
: to move (something) to the side because you are not working on it, dealing with it, etc.
: to wait until later to use or deal with (something)
2 
: to keep or save (something) for a particular purpose
3 
: to stop thinking about, talking about, or being affected by (something)
4 
law : to change or reverse (a legal decision, conviction, etc.)

set back

[phrasal verb]
1 
set (something or someone) back or set back (something or someone) : to make the progress of (something or someone) slower or more difficult : to cause (something or someone) to go back to an earlier or worse condition
2 
set (someone) back informal : 2cost

set down

[phrasal verb]
1 
set down (something) : to create or establish (a rule, requirement, etc.)
2 
set (something) down or set down (something)
a  : to record (something) by writing it down
b  : to land (an airplane) on the ground or water
3 
set (someone) down : to allow (someone) to get off a bus, airplane, etc.

set eyes on

— see 1eye

set foot in/on

— see 1foot

set forth

[phrasal verb]
1 
literary : to begin a journey
2 
set forth (something) or set (something) forth formal : to explain or describe (something) in an organized way

set forward

[phrasal verb]
set (something) forward or set forward (something)
: to explain or describe (something) so that it can be considered

set in

[phrasal verb]
: to begin to be present, seen, etc. — used of something unpleasant or unwanted that often lasts for a long time

set in stone

— see 1stone

set (someone or something) loose

— see let loose at 1loose

set off

[phrasal verb]
1 
: to begin traveling
2 
set off (something) also set (something) off : to cause (something) to start or happen
3 
set off (something) or set (something) off
a  : to cause (something) to begin making noise
b  : to cause (fireworks, a bomb, etc.) to explode
c  : to make (something) easy to see or notice
4 
set (someone) off : to cause (someone) to suddenly start yelling, crying, laughing, etc.

set on

[phrasal verb]
set (someone or something) on (someone)
: to make (a person or animal) suddenly attack (someone)

set out

[phrasal verb]
1 
a  : to begin traveling in a particular direction
b  : to start doing something : to begin an activity or effort with a particular plan or purpose
— often followed by to + verb
2 
set (something) out or set out (something)
a  : to explain or describe (something)
b  : to move and organize (a group of things) so that they can be seen or used

set pen to paper

— see 1pen

set sail

— see 2sail

set the pace

— see 1pace

set the record straight

— see 1record

set the scene

— see scene

set the stage

— see 1stage

set to

[phrasal verb] British, literary
: to begin doing something in an active and serious way

set up

[phrasal verb]
1 
: to prepare for something by putting things where they need to be
2 
set up (something) or set (something) up
a  : to create or establish (something) for a particular purpose
b  : to arrange and plan (an event or activity)
c  : to put (something) in an upright position
d  : to make (a machine, system, etc.) ready to be used
3 
set (someone) up or set up (someone)
a  : to cause (someone) to be in a bad situation or to appear guilty
b  British : to help (someone) feel healthy and full of energy
c  : to give (someone) a job, a place to live, etc.
d  : to do something that makes it likely or possible for (someone) to do, get, or experience something
— usually + for
e  : to cause (someone) to meet someone in order to start a romantic relationship
— often + with
4 
set (yourself) up as (something)
a  : to try to make people believe that you are (something)
b  also set up as (something) or set up in (something) : to start your own business
— see also setup

set up house

— see 1house

set upon

[phrasal verb]
set upon (someone or something)
: to attack (someone or something) — often used as (be) set upon

set up shop

— see 1shop

set your heart on

— see heart

set your mind to

— see 1mind

set your teeth on edge

— see tooth
2 set /ˈsɛt/ noun
plural sets
2 set
/ˈsɛt/
noun
plural sets
Britannica Dictionary definition of SET
1 
[count]
a  : a group of similar things that belong together — often + of
b  : a group of things that are used together
— see also tea set
2 
[count] : a piece of electronic equipment
— see also headset
3 
[count]
a  : a place where a movie or television program is filmed or a play is performed
b  : the rooms, painted backgrounds, furniture, etc., that are used for a scene in a movie, television program, or play
— called also (US) setting
4 
[count] : one of the parts into which a tennis or volleyball match is divided : a group of tennis or volleyball games — see also set point
5 
[count] : a group of songs or pieces that a musician or band performs at a concert
6 
[singular] somewhat old-fashioned : a group of people who have similar interests or characteristics
— see also jet set
7 
[count] British : a group of students who perform at the same level in a particular subject
8 
[count] mathematics : a group of numbers, points, etc.
9 
[count] : the number of times that you perform a group of repeated movements when you exercise
10 
[singular] : the way you move or hold your body, shoulders, etc.
— see also mind-set
11 
[count] : a small bulb that you use to grow a new plant
3 set /ˈsɛt/ adjective
3 set
/ˈsɛt/
adjective
Britannica Dictionary definition of SET
1 
: having a particular position or location
— see also close-set
2 
: particular and not changing — used to describe something that has been decided by someone with authority
3 
[more set; most set] : not likely to change
4 
of a person's face or expression : in a firm position that does not move or change
5 
not used before a noun, informal : ready or prepared for something
6 
not used before a noun : scheduled or supposed to happen at a certain time — often + for
— often followed by to + verb

be set against

: to feel strongly that you do not want (something) or will not do (something)

be set on

: to feel strongly that you want (something) or will do (something)

(get) ready, (get) set, go

— see 1ready

have your heart set on

— see heart

have your mind set on

— see 1mind

set in stone

— see 1stone