sol·i·tude /ˈsɒlɪˌtud, -ˌtyud/ [sol-i-tood, -tyood] –noun 1. the state of being or living alone; seclusion: to enjoy one's solitude. 2. remoteness from habitations, as of a place; absence of human activity: the solitude of the mountains. 3. a lonely, unfrequented place: a solitude in the mountains.