What's the adjective for abstractnesses? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs abstract and abstractify which may be used as adjectives within certain contexts.
abstract
(obsolete) Derived; extracted. [Attested from around 1350 to 1470 until the late 15th century.]
(now rare) Drawn away; removed from; apart from; separate. [First attested around 1350 to 1470.]
Expressing a property or attribute separately of an object that is considered to be inherent to that object. [First attested around 1350 to 1470.]
Considered apart from any application to a particular object; not concrete; ideal; non-specific; general, as opposed to specific. [First attested around 1350 to 1470.]
Difficult to understand; abstruse; hard to conceptualize. [First attested around 1350 to 1470.]
(archaic)Absent-minded. [First attested in the early 16th century.]
(art) Pertaining to the formal aspect of art, such as the lines, colors, shapes, and the relationships among them. [First attested in the mid 19th century.]
(capitalized) Free from representational qualities, in particular the non-representational styles of the 20th century. [First attested in the mid 19th century.]