unknowable

As adjectives the difference between unfathomable and unknowable

is that unfathomable is impossible to fathom or understand; incomprehensible while unknowable is not knowable.

As a noun unknowable is

something that cannot be known.

As nouns the difference between unknowable and inscrutableness

is that unknowable is something that cannot be known while inscrutableness is inscrutability.

As an adjective unknowable

is not knowable.

As adjectives the difference between unknown and unknowable

is that unknown is not known; unidentified; not well known while unknowable is not knowable.

As nouns the difference between unknown and unknowable

is that unknown is a variable (usually x, y or z) whose value is to be found while unknowable is something that cannot be known.

As adjectives the difference between unknowable and incomprehensible

is that unknowable is not knowable while incomprehensible is impossible or very difficult to understand.

As a noun unknowable

is something that cannot be known.

Unknowable is a related term of cryptic.

As adjectives the difference between unknowable and cryptic

is that unknowable is not knowable while cryptic is having hidden meaning.

As nouns the difference between unknowable and cryptic

is that unknowable is something that cannot be known while cryptic is (informal) a cryptic crossword.

As adjectives the difference between unknowable and esoteric

is that unknowable is not knowable while esoteric is intended for or likely to be understood by only a small number of people with a specialized knowledge or interest, or an enlightened inner circle.

As a noun unknowable

is something that cannot be known.

As adjectives the difference between unknowable and cabalistic

is that unknowable is not knowable while cabalistic is of or relating to a cabal; secretive and cliquish.

As a noun unknowable

is something that cannot be known.

Unknowable is a related term of ethereal.

As adjectives the difference between unknowable and ethereal

is that unknowable is not knowable while ethereal is pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; otherworldly; as, ethereal space; ethereal regions.

As a noun unknowable

is something that cannot be known.

Unknowable is a related term of hidden.

As adjectives the difference between unknowable and hidden

is that unknowable is not knowable while hidden is that has been moved out of sight invisible or unapparent.

As a noun unknowable

is something that cannot be known.

As a verb hidden is

.