Alone, on one's own. Predicatively or as complement of a preceding noun or pronoun (frequently referring to two or more). In later use Caribbean and…

Only, sole.

Alone of its, his, her, etc., kind; of a kind of which there exist no more; sole, lone.

Being on one's own, by oneself; having no other present; unaccompanied. Also in extended use, of… As a complement of a verb other than to be.

In predicative use: Unaccompanied or unsupported by others; alone, solitary. With the substantive verb, or in constructions implying this.

Apart from or destitute of a companion or companions; unaccompanied by another or others; all alone; solitary.

Solitary, in various senses.

Alone; away from others; solitary. rare.

Without companions; apart from or unaccompanied by another or others; alone, solitary. Usually predicative.

That exists or stands alone; single, sole, solitary, singular. by odd: separately, by itself, alone. all and odd: see all, adj. pron.n. adv.conj.…

Solitary; esp. on one's own, alone. Also: lonely.

Unaccompanied.

(Upright) by oneself or itself, without support. Chiefly in to stand a-high-lone. Cf. high-lone, adv.

Of a person or thing: entirely alone, solitary.

Probably: within oneself; about oneself.

Not associated; solitary.

Not mated (mated, adj.2); having no mate, match, or pair.

Of persons, their condition, feelings, etc.: Solitary, lonely. In later use, chiefly in emotional sense: Having a feeling of solitude or loneliness…

Alone; without a companion or partner; spec. with reference to flying. (Cf. solus, adj. and sola, adj.).

Not provided with a companion; not accompanied by any other (person or thing).

(un-, prefix1 affix 3.)

Alone.