Synonyms of unknown in English:

unknown


See definition of unknown

adjective

1‘the ultimate outcome of their dispute was unknown’

SYNONYMS
undisclosed, unrevealed, undivulged, untold, unspecified, secret, mysterious, dark, hidden, concealed
undetermined, undecided, unresolved, unfixed, unestablished, unsettled, unsure
pending, unascertained, undefined, indefinite, inconclusive, in the balance, in limbo, up in the air
ANTONYMS

known, decided

2‘all his instincts were warning him of the dangers in the unknown country ahead’

SYNONYMS
unexplored, uncharted, unmapped, untravelled, undiscovered, virgin
remote, exotic, outlandish
ANTONYMS

familiar, well travelled

3‘he was murdered by a person or persons unknown’

SYNONYMS
unidentified, unnamed, nameless, anonymous, undesignated, incognito, mysterious
rare innominate
ANTONYMS

identified, named

4‘firearms were unknown to the Indians at the time of the conquest’

SYNONYMS
unfamiliar, unheard of, unprecedented, new, novel, strange, exotic
ANTONYMS

familiar

5‘unknown artists of the avant-garde’

SYNONYMS
obscure, unheard of, little known, unsung, minor, insignificant, unimportant, undistinguished, unrenowned, inconsequential, lowly, unhonoured, forgotten
ANTONYMS

famous, celebrated