existing alone or in a single unit
She made a single mistake on the test.
for one person or thing
I booked a single room.
not involved in a romantic relationship
He is single and looking for love.
one way, not return
I need a single ticket to the game.
referring to one particular item or person
I want to focus on a single issue.
a one-way ticket
I bought a single to the concert.
a room for one person
The hotel offers single rooms for £60 per night.
a person who is not married
There are many singles in the club.
a song released separately for sale
Their new single is very popular.
a one-dollar bill
I have a few singles in my wallet.
a game played against one opponent
She won the singles match in straight sets.
a hit that scores one run
a hit that only allows the player to reach first base