1.confinement of a prisoner in isolation from other prisoners;
he was held in solitary
2.one who lives in solitude
3.characterized by or preferring solitude in mode of life;
the eremitic element in the life of a religious colony
4.of plants and animals; not growing or living in groups or colonies;
solitary bees
5.lacking companions or companionship;
he was alone when we met him
6.enjoyed or performed alone;
a lonely existence
7.being the only one; single and isolated from others;
the lone doctor in the entire county
8.separated from or unfrequented by others; remote or secluded;
a lonely crossroads