single

1 single /ˈsɪŋgəl/ adjective
1 single
/ˈsɪŋgəl/
adjective
Britannica Dictionary definition of SINGLE
1 
always used before a noun : not having or including another : only one
— sometimes used to emphasize the largeness or importance of something
— sometimes used in negative statements to emphasize that there is a complete lack of something
2 
: not married or not having a serious romantic relationship with someone
3 
— used for emphasis after words like any, each, every, etc.
4 
always used before a noun : made for one person to use
5 
British : one-way
2 single /ˈsɪŋgəl/ noun
plural singles
2 single
/ˈsɪŋgəl/
noun
plural singles
Britannica Dictionary definition of SINGLE
1 
[count] : an unmarried person and especially one who is young and socially active — usually plural — often used before another noun
2 
[count]
a  baseball : a hit that allows the batter to reach first base — compare double, home run, triple
b  cricket : a hit that scores one run
3 
singles [plural] : a game of tennis or a similar sport that is played between two players
4 
[count] : a music recording having one main song and sometimes one or more other songs
also : one song from a recording that includes many songs
— compare album
5 
[count] : a room in a hotel, inn, etc., for one person — compare double
6 
[count] US : a one-dollar bill
7 
[count] British : a one-way ticket
3 single /ˈsɪŋgəl/ verb
singles; singled; singling
3 single
/ˈsɪŋgəl/
verb
singles; singled; singling
Britannica Dictionary definition of SINGLE
[no object]
: to hit a single in baseball

single out

[phrasal verb]
single out (someone or something) or single (someone or something) out
: to treat or to speak about (someone or something in a group) in a way that is different from the way you treat or speak about others
— often used as (be) singled out