unknown (comparative more unknown, superlative most unknown)
- (sometimes postpositive) Not known; unidentified; not well known.
1898, Winston Churchill, chapter 4, in The Celebrity:
- The Celebrity, by arts unknown, induced Mrs. Judge Short and two other ladies to call at Mohair on an afternoon when Mr. Cooke was trying a trotter on the track. The three returned wondering and charmed with Mrs. Cooke; they were sure she had had no hand in the furnishing of that atrocious house.
- Japanese: 未知の (ja) (michi no), 無名な (ja) (mumei na)
- Sorani: نهناسراو
- Latin: incognitus, ignoratus, ignotus, nescitus, obscurus (la)
- Latvian: nepazīstams, svešs
- Macedonian: непознат (nepoznat)
- Bokmål: ukjent
- Nynorsk: ukjent
- Persian: مجهول (fa) (najhul)
- Polish: nieznany (pl)
- Portuguese: desconhecido (pt) m, desconhecida f
- Romanian: necunoscut (ro), neștiut (ro), obscur (ro)
- Russian: неизве́стный (ru) (neizvéstnyj) (neizvéstnij)
- Sanskrit: अज्ञात (sa) (ajñāta)
- Slovene: neznano
- Spanish: ignoto (es), desconocido (es)
- Swedish: okänd (sv)
- Turkish: bilinmeyen (tr), bilinmez (tr), meçhul (tr)
unknown (plural unknowns)
- (algebra) A variable (usually x, y or z) whose value is to be found.
- Any fact or place about which nothing is known (as in the phrase "into the unknown").
- A person of no identity; a nonentity