swing

1 swing /ˈswɪŋ/ verb
swings; swung /ˈswʌŋ/ ; swinging
1 swing
/ˈswɪŋ/
verb
swings; swung /ˈswʌŋ/ ; swinging
Britannica Dictionary definition of SWING
1 
: to move backward and forward or from side to side while hanging from something
[no object]
[+ object]
2 
always followed by an adverb, adjective, or preposition : to move with a smooth, curving motion
[no object]
[+ object]
3 
: to move (your arm, a tool, etc.) with a quick, curving motion especially to try to hit something
[+ object]
[no object]
4 
[no object] : to move back and forth on a special type of seat (called a swing)
5 
always followed by an adverb or preposition : to turn or move quickly in a particular direction
[no object]
— often + around
[+ object]
6 
a  always followed by an adverb or preposition, [no object] : to change suddenly from one state or condition to another
b  [+ object] : to change or influence (something) in an important way
7 
[+ object] informal : to do or manage (something) successfully
8 
[no object] informal + somewhat old-fashioned : to be lively or exciting
9 
[no object] old-fashioned : to die by hanging

swing both ways

informal
: to be bisexual

swing by

[phrasal verb] US, informal also swing over
: to make a brief visit

swing the balance

: to change a situation so that one person, group, etc., is more able or likely to succeed than another
2 swing /ˈswɪŋ/ noun
plural swings
2 swing
/ˈswɪŋ/
noun
plural swings
Britannica Dictionary definition of SWING
1 
[count]
a  : an act of moving something with a quick, sweeping motion : an act of swinging a bat, fist, etc.
b  : the movement of something that swings backward and forward or from side to side
2 
[count] : a usually sudden change from one state or condition to another
3 
[count] : a seat that hangs from ropes or chains and that moves back and forth
— see picture at playground
4 
[noncount] : a style of jazz music that has a lively rhythm and that is played mostly for dancing

go with a swing

British, informal
: to be lively and enjoyable

in full swing

: at the highest level of activity

in/into the swing of

informal
: fully involved and comfortable with (a regular activity, process, etc.)

swings and roundabouts

British, informal
— used to say that two choices or situations are basically the same because they have an equal number of advantages and disadvantages
3 swing /ˈswɪŋ/ adjective
3 swing
/ˈswɪŋ/
adjective
Britannica Dictionary definition of SWING
always used before a noun
1 
: of or relating to the style of jazz music called swing
2 
: not certain to vote for a particular candidate or party in an election and therefore often able to decide the result of the election