List: adjectival nouns or quasi-adjectives (keiyodoshi)

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

• stopgap, makeshift, temporary

obsolete term  な adjective  adjective (generic) 

• rude, impolite, discourteous, insolent

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

• in another league, on a totally different level

な adjective  adjective (generic) 

• skillful, clever, versatile, handy

な adjective  adjective (generic) 

• non-substitutable, irreplaceable, unique, non-fungible

な adjective  adjective (generic)  mathematics  expression  noun  noun (generic) 

• nearly equal, almost identical, extremely similar
• approximately equal (to)
• approximately equals sign

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

• incivility, impoliteness

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

• super cute, extremely cute

な adjective  adjective (generic) 

• masochistic

な adjective  adjective (generic) 

• ergonomic