unfuckable

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective unfuckable is

(slang|vulgar) unavailable or unacceptable as a sex partner.

As an adjective unfuckable

is (slang|vulgar) unavailable or unacceptable as a sex partner.

As a noun unfuckability is

(rare) the state of being unfuckable.

As a noun partner

is someone who is associated with another in a common activity or interest.

As a verb partner

is to make or be a partner.

As an adjective unfuckable is

unavailable or unacceptable as a sex partner.

As adjectives the difference between unacceptable and unfuckable

is that unacceptable is unsatisfactory; not acceptable while unfuckable is (slang|vulgar) unavailable or unacceptable as a sex partner.