List: adjectival nouns or quasi-adjectives (keiyodoshi)

な adjective  adjective (generic) 

• mannish (esp. of women's fashion)

な adjective  adjective (generic)  noun  noun (generic) 

• multiple

gairaigo  French origin  な adjective  adjective (generic) 

• miserable

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

• medium (cooked, roasted, etc.), (of) middle degree
• medium, intermediary substance, media, (transparent) base (ink)

な adjective  adjective (generic)  noun  noun (generic) 

• mechanical

な adjective  adjective (generic)  noun  noun (generic) 

• meta

な adjective  adjective (generic)  noun  noun (generic) 

• metaphysical

な adjective  adjective (generic) 

• melancholic

な adjective  adjective (generic) 

• melodious

onomatopoeic or mimetic word  な adjective  adjective (generic)  noun  noun (generic)  adverb 

• madly in love, head over heels, fanatically doting, spellbound
• collapsed, out of spirits