She is single and enjoys her independence.

Not married or in a romantic relationship.
He has been single for a long time.
Many people prefer to stay single.
Being single can be a great opportunity for self-discovery.
single parent
single life
single status
unattached
solo
alone
I booked a single room for my stay.

Referring to a room designed for one person.
The hotel offers a single option for solo travelers.
She prefers a single bed in her room.
A single accommodation is perfect for business trips.
single occupancy
single room
single rate
individual
lone
solitary
I have a single apple.

One only; not more than one.
She wore a single earring.
He made a single call.
There is a single light in the room.
single item
single choice
single ticket
one
lone
solitary