unknown

definition: being or having an unknown or unnamed source
example: a poem by an unknown author
speech part: adjective
synonyms: nameless
definition: not known before
example:
speech part: adjective
synonyms: strange
definition: not famous or acclaimed
example:
speech part: adjective
synonyms: unsung
definition: not known
example: an unknown amount
speech part: adjective
synonyms:
definition: not known to exist
example: things obscurely felt surged up from unknown depths
speech part: adjective
synonyms:
definition: a variable whose values are solutions of an equation
example:
speech part: noun
synonyms: unknown quantity
definition: an unknown and unexplored region
example: they came like angels out the unknown
speech part: noun
synonyms: unknown region
definition: anyone who does not belong in the environment in which they are found
example:
speech part: noun
synonyms: alien stranger

unknown is explained and pronounced

How unknown is being used?