List: adjectival nouns or quasi-adjectives (keiyodoshi)

な adjective  adjective (generic)  noun  noun (generic) 

• uneducated, uncultured, unrefined, ignorant

な adjective  adjective (generic) 

• superficial, shallow

noun taking the genitive case particle の  adjective (generic)  な adjective  colloquial 

• nonstandard, out of spec, irregular, unconventional (e.g. relationship), ugly (e.g. fruits and vegetables)
• exceptional, extraordinary, unbelievable, overwhelming, insane, off the charts

music  な adjective  adjective (generic) 

• polyphonic

な adjective  adjective (generic)  noun  noun (generic) 

• matte (finish, colour, etc.), matt, mat
• matte (metallurgy)

archaic  な adjective  adjective (generic)  noun  noun (generic) 

• foolish, stupid, silly

obsolete term  noun  noun (generic)  な adjective  adjective (generic) 

• elegant beauty, charm

suffix  slang  abbreviation  な adjective  adjective (generic)  noun  noun (generic) 

• -less
• sexless (relationship)

な adjective  adjective (generic) 

• asymmetric

な adjective  adjective (generic) 

• physical (in science, medicine, etc.)