List: adjectival nouns or quasi-adjectives (keiyodoshi)

な adjective  adjective (generic) 

• prominent

な adjective  adjective (generic) 

• promising

な adjective  adjective (generic) 

• general-purpose, all-purpose, one-size-fits-all

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

• somewhat strong, fairly strong, fairly firm

colloquial  な adjective  adjective (generic) 

• too much

な adjective  adjective (generic) 

• systemic

な adjective  adjective (generic) 

• unconcerned (about), unbothered, unworried, nonchalant, not caring, not minding
• easy, simple

Internet slang  な adjective  adjective (generic) 

• unfortunate but expected, harsh but fair

usually written using kana alone  な adjective  adjective (generic) 

• eco-friendly

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

• non-disabled, having no physical or mental disability, able-bodied