Word Type

Noun

Adjective

Verb

Adjective

The word "unknown" can be used as noun, adjective, verb and adjective.

Word Relationships

Opposites (Antonyms)

famous known known well known

Derived Terms

as yet unknown as-yet-unknown known unknown parts unknown person unknown unknown known unknown number unknown quantity unknown unknown unknown unknown unknownly

Derived From

known

Etymologically Related To

know

Context

algebra

Broader Terms (Hypernyms)

interloper intruder region trespasser variable

Narrower Terms (Hyponyms)

fameless inglorious mysterious unfamous unsung

Type Of (IsA)

region variable

Related Terms

hidden incomprehensible

Related Terms

identity inglorious known nonentity unacknowledged uncertainty unfamiliar unidentified variable

Similar Terms

anon. anonymous chartless chartless inglorious little known little-known unacknowledged unbeknown unbeknownst unbeknownst uncharted undiagnosed undiagnosed undiscovered undiscovered unexplored unfamiliar unheard of unheard-of unidentified unidentified unmapped unsuspected unsuspected

Synonym Network

anonymous obscure strange stranger unascertained uncharted undiscovered unexplored unfamiliar unidentified unnamed unrecognized unrevealed unsung

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.