solitary

Existing, living, or going without others; alone: synonym: alone.

Happening, done, or made alone.

Remote from civilization; secluded.

Living alone or in pairs only.

Single and set apart from others.

A person who lives alone; a recluse.

Solitary confinement.

In astronomy, noting certain stars which have no conspicuous neighbors (a Hydræ, for instance), or stars which are not members of a binary system, visual or spectroscopic. Called by W. Herschel intersystematical.

Living alone, or by one’s self or by itself; without companions or associates; habitually inclined to avoid company.

All by one’s self; without companions; unattended.