adjective
Solitary; having no companion.
Isolated or lonely; lacking companionship.
Sole; being the only one of a type.
Situated by itself or by oneself, with no neighbours.
(archaic) Unfrequented by human beings; solitary.
(archaic) Single; unmarried, or in widowhood.
(Philippines, politics, of an election or elected position) Not divided into multiple districts.