ETYM Old Eng. one, on, an, as. än.
1. Being one in number--a single unit or thing.
2. Being the single appropriate individual of a kind; only.
3. Used of a single unit or thing; not two or more.
4. Having the indivisible character of a unit; SYN. unitary.
5. Of the same kind or quality.
6. Indefinite in time or position.
7. Particular but unspecified.
8. Being a single entity made by combining separate components.
9. Used informally as an intensifier.
only / oʊnli /
1. Unquestionably the best; peerless
2. Alone in a class or category; sole; having no brother or sister
ETYM Latin singulus, a dim. from the root in simplex simple; cf. Old Eng. and Old Fren. sengle, from Latin singulus. See Simple, Singular.
(Botany; of flowers) Having usually only one row or whorl of petals.
1. Existing alone or consisting of one entity or part or aspect or individual.
2. Having uniform application.
3. Involved two individuals.
4. Not divided among or brought to bear on more than one object or objective; SYN. undivided, exclusive.
ETYM Old Eng. singuler, French singulier, from Latin singularius, singularis, from singulus single. Related to Single.
1. Being a single and separate person or thing.
2. Grammatical number category referring to a single item or unit.
3. The single one of its kind; SYN. unique, exceptional.
sole / soʊl /
ETYM Latin solus, or Old Fren. sol, French seul (fr. Latin solus; cf. Latin sollus whole, entire. Related to Desolate, Solemn, Solo, Sullen.
Solitary; the only one.
solitary / sɑːləteri /
ETYM Latin solitarius, from solus alone: cf. French solitaire. Related to Sole, Solitaire.
1. Single; individual; sole.
2. Living or being by one's self; having no companion present; being without associates; single; alone; lonely.
3. Remote from society; retired; lonely.
4. Performed, passed, or endured alone.