alone; without companions; unattended

a solitary passer-by.

living alone; avoiding the society of others

a solitary existence.

by itself; alone

one solitary house.

characterized by the absence of companions

a solitary journey.

done without assistance or accompaniment; done in solitude

solitary chores.

being the only one

a solitary exception.

characterized by solitude, as a place; unfrequented, secluded, or lonely

a solitary cabin in the woods.

Zoology . living habitually alone or in pairs, as certain wasps. Compare social ( def. 10 ) .

a person who lives alone or in solitude, or avoids the society of others.

a person who lives in solitude from religious motives.

solitary confinement.

adverb

single-handedly , singly , solely , solo