List: adverb (fukushi)

onomatopoeic or mimetic word  rare term  adverb  adverb taking the と particle 

• damply, humidly, soggily
• gloomily, cheerlessly

onomatopoeic or mimetic word  adverb  adverb taking the と particle 

• with a creak, creakily

usually written using kana alone  adverb 

• just (about to), on the point of, on the verge of, on the brink of

usually written using kana alone  adverb 

• really (ought to), certainly (should), naturally

expression  adverb 

• fortunately, luckily

expression  adverb 

• fortunately, luckily, happily

onomatopoeic or mimetic word  adverb  adverb taking the と particle 

• peeling off (adhesive tape, wallpaper, etc.), pulling apart (Velcro)

onomatopoeic or mimetic word  adverb  adverb taking the と particle 

• with a screech, with a whine, with a shrill, with a ringing (in the ears)
• with a sharp pain (in the head or teeth after eating or drinking something cold), getting a brain freeze

adverb 

• any number of times, over and over again

onomatopoeic or mimetic word  adverb  adverb taking the と particle  noun or participle taking the aux. verb する  verb (generic)  noun (generic) 

• thickly (of whipped eggs, cream, etc.; such that it leaves a trail or forms soft peaks), stickily, becoming thick and foamy (of soap suds)
• sluggishly, slowly, heavily