unknown

As adjectives the difference between unknown and privy

is that unknown is not known; unidentified; not well known while privy is private, exclusive; not public; one's own.

As nouns the difference between unknown and privy

is that unknown is a variable (usually x, y or z) whose value is to be found while privy is an outdoor toilet; latrine; earth closet; john; johnny house.

As adjectives the difference between insignificant and unknown

is that insignificant is not significant; not important, consequential, or having a noticeable effect while unknown is not known; unidentified; not well known.

As a noun unknown is

(algebra) a variable (usually x'', ''y'' or ''z ) whose value is to be found.

Clandestine is a related term of unknown.

As adjectives the difference between clandestine and unknown

is that clandestine is done or kept in secret, sometimes to conceal an illicit or improper purpose while unknown is not known; unidentified; not well known.

As a noun unknown is

(algebra) a variable (usually x'', ''y'' or ''z ) whose value is to be found.

Secluded is a related term of unknown.

As adjectives the difference between secluded and unknown

is that secluded is hidden, isolated, remote while unknown is not known; unidentified; not well known.

As a verb secluded

is (seclude).

As a noun unknown is

(algebra) a variable (usually x'', ''y'' or ''z ) whose value is to be found.

Dusky is a related term of unknown.

As adjectives the difference between dusky and unknown

is that dusky is dimly lit, as at dusk (evening) while unknown is not known; unidentified; not well known.

As nouns the difference between dusky and unknown

is that dusky is a dusky shark while unknown is (algebra) a variable (usually x'', ''y'' or ''z ) whose value is to be found.

Unnoticed is a related term of unknown.

As adjectives the difference between unnoticed and unknown

is that unnoticed is not noticed while unknown is not known; unidentified; not well known.

As a noun unknown is

(algebra) a variable (usually x'', ''y'' or ''z ) whose value is to be found.

Darksome is a related term of unknown.

As adjectives the difference between darksome and unknown

is that darksome is (poetic) dark; gloomy; obscure; shaded; cheerless while unknown is not known; unidentified; not well known.

As a noun unknown is

(algebra) a variable (usually x'', ''y'' or ''z ) whose value is to be found.

As adjectives the difference between indeterminate and unknown

is that indeterminate is not accurately determined or determinable while unknown is not known; unidentified; not well known.

As a noun unknown is

(algebra) a variable (usually x'', ''y'' or ''z ) whose value is to be found.

As adjectives the difference between unknown and unexpected

is that unknown is not known; unidentified; not well known while unexpected is not expected, anticipated or foreseen.

As a noun unknown

is a variable (usually x, y or z) whose value is to be found.

As nouns the difference between unknown and zero

is that unknown is (algebra) a variable (usually x'', ''y'' or ''z ) whose value is to be found while zero is zero.

As an adjective unknown

is not known; unidentified; not well known.

As a numeral zero is

zero.