solitary
Pronunciation: /ˈsɒlɪt(ə)ri/
adjective
- 1done or existing alone: I live a pretty solitary life tigers are essentially solitary
- (of a place) secluded or isolated: solitary farmsteads
- (of a bird, mammal, or insect) living alone or in pairs, especially in contrast to related social forms: a solitary wasp
- (of a flower or other part) borne singly: each spider-like bloom is solitary
noun ( plural solitaries)
- 2 informalshort for solitary confinement.

Origin:
Middle English: from Latin solitarius, from solus 'alone'