Words for Being Alone

Definition - a person who leads a secluded or solitary life

Along with solitary, solitude, and solo, solitudinarian comes from the Latin word solus, meaning “alone.” Just because you’re person who leads a secluded or solitary life doesn’t mean that you can’t enjoy having a lengthy obscure word to describe yourself with.

The place was upon the whole comfortable, and might suit a solitudinarian who had humility enough to be reconciled to such a situation.
— John Robinson, Audley Fortescue; or the victims of frailty, 1796

Definition - loneliness

Desolation is another word that can be traced in part to the Latin solus (“alone”); it carries a number of other meanings in addition to “loneliness.” Desolation may refer to “grief,” “devastation,” “barren wasteland,” and “the action of desolating.”

The Seat of Desolation; That lonely, solitary Seat, destitute of any living Creature but our wretched selves.
— Patrick Hume, Annotations on Milton’s Paradise Lost, 1695

Definition - a person who lives in seclusion usually for religious reasons

Anchorite is roughly synonymous with both hermit and recluse. Both anchorite and hermit are often used in reference to those who seclude themselves for religious reasons. The word anchor has been around since Old English to refer to religious hermits; anchorite did not come into use until the 15th century. The word also has a feminine form; a woman who is an anchorite is an anchoress.

Have the Purity of Virgins, the Austerity of Anchorites, the Zeal of Pastors and Bishops, and the Constancy of Martyrs.
— Peter Abelard, Letters of Abelard and Heloise, 1769

Definition - somewhat introverted

Let it not be said that the English language lacks nuance, for we have a word not only for being somewhat introverted, but also one for being somewhat extroverted (extrovertish). We even have a word for the person who has the characteristics of both introvert and extrovert: the ambivert.

You have been reading in every book and magazine you pick up that you ought to go out and mingle more with people. If you don’t, warn the savants, you will become dour, introvertish, queer.
— Malvina Lindsay, The Washington Post, 26 Feb. 1940

Definition - rambling alone : marked by solitary wandering

Solivagant also functions as a noun, with the meaning of “a solitary wanderer.” The second portion of the word comes from the Latin vagus (“wandering”), a root it shares with noctivagant (“night-wandering”) and gyrovague (“a wandering and usually dissolute monk of the early church”).

For prohibition of marriage, and difference of meats are inseparable characters of Monasticall profession, and goe common to all that crew of hypocrites, whether solivagant Hermites, or Anchorites which live alone, or Coenobites which lived in society.
— Joseph Mede, The apostasy of the latter times, 1641

Definition - morbid fear of solitude

English is awash is words for various kinds of fears and loathings; we have melissophobia (“fear of bees”), ailurophobia (“abnormal fear or loathing of cats”), and deipnophobia (“fear of dinner parties”). The initial portion of autophobia comes from the Greek autos (“same,” “self”).

By the word agoraphobia, I suppose he means to indicate a fear while out in public places, or highways [agora phobia], but if we analyse the cases, we find that this is not exactly so—since this dread only comes over the person when he is there alone. It seems to me that the term isolophobia, eisophobia, or autophobia, would more correctly express it.
— John D. Jackson, The Clinic (Cincinnati, OH), 10 feb. 1872

Definition - characterized by ascetic solitude in mode of life 

Eremitic (which rhymes with paralytic and hermit share an etymology; both words may be traced to the Greek erēmitēs (“living in the desert”). In addition to the definition above, eremitic may also mean “of, relating to, or befitting a hermit.”)

He, therefore, from being a dissipated, rollicking blade, affected an eremitic life, and withdrew to his cave during the day; as Diogenes, after having been tried at the Old Bailey of Sinope, and transported for coining, betook himself to his tub.
— Fraser’s magazine for town and country (London, Eng.), Jul. 1845