List: adjectival nouns or quasi-adjectives (keiyodoshi)

popular  JLPT N1  usually written using kana alone  な adjective  adjective (generic) 

• negligent, neglectful, careless, remiss

popular  JLPT N2  な adjective  adjective (generic) 

• fresh, refreshing, invigorating, pleasant, delightful
• clear (voice), fluent (speech), eloquent

popular  な adjective  adjective (generic) 

• calculating, mercenary, selfish, self-interested

popular  search-only kanji form  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic)  な adjective 

• great hurry, great haste, rush

popular  JLPT N2  usually written using kana alone  adverb  な adjective  adjective (generic) 

• very, extremely, exceedingly, greatly, terribly
• extreme, excessive, great many, large number of
• splendid, impressive, tremendous, immense
• exaggerated

popular  gikun or jukujikun  search-only kanji form  JLPT N1  usually written using kana alone  な adjective  adjective (generic) 

• tranquil, calm, quiet, peaceful, serene
• mild (weather), balmy

popular  JLPT N1  usually written using kana alone  adverb  noun  noun (generic)  な adjective  adjective (generic) 

• immediately, at once, right away, directly
• soon, before long, shortly
• easily, readily, without difficulty
• right (near), nearby, just (handy)
• honest, upright, frank, straightforward

popular  suffix  な adjective  adjective (generic)  colloquial  familiar language  dated term 

• -ical, -ive, -al, -ic, -y
• -like, -ish, -sort of, -kind of
• (something) like, along the lines of
• -wise, in terms of, for, from the viewpoint of, from a ... standpoint, as far as ... is concerned
• Mr., Ms., Mrs.

popular  な adjective  adjective (generic) 

• thorough, exhaustive, complete

popular  obsolete reading  usually written using kana alone  な adjective  adjective (generic)  noun  noun (generic) 

• careless, sloppy, faulty
• using unreliable sources (in a piece of writing), piece of writing with unreliable sources or many errors