Word: unknown
Part of speech: Noun
Syllables: un
known
Definition: A person of no identity; a nonentity
Morphemes:
Affix: un-
Language: en
PoS: Prefix
Meaning: absent; lacking; not; negative
Affix: known
Language: en
PoS: Verb
Meaning: Alternative form of know; the fact of being aware of information that is known to few people