adjective / noun / verb
single
SING-guhl/ˈsɪŋɡl/
Consisting of or involving one unit alone.
A single ripe apple appears against a white background.

Etymology
Latin singulus presents someone or something individually, one apart from others. This connects both modern senses: one unit rather than several, and a person without a spouse or partner.
In context
The statue is over 13ft tall, carved from a single block into a human shape with eyes and nose, hands and genitals.
More examples
- Each guest receives a single key.
- She's single and isn't looking for a partner.
- Can you change this five-dollar bill into five singles?
- The coach singles out one player for praise.
Forms
single · singles · singled · singling
singly adverb — One at a time or separately.
Similar words
- sole
- Sole stresses being the only one in a role.
- solitary
- Solitary emphasizes being alone or apart from others.
- individual
- Individual emphasizes separate identity rather than number alone.