List: adverb (fukushi)

onomatopoeic or mimetic word  adverb 

• quickly (turning pages, opening a letter, etc.), with a flick, casually, absentmindedly
• lightly (falling rain, leaves, etc.)
• sprinkling over (e.g. salt)
• sparsely (scattered), here and there

expression  adverb 

• as soon as possible, without further delay

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

• snuffling, sniffling

usually written using kana alone  expression  な adjective  adjective (generic)  adverb 

• as if ..., as if to say ..., as though ...

adverb 

• freely, readily, cheerfully, without any sense of hesitation, without reserve, without treating it as a big deal, casually

expression  adverb 

• surprisingly, astonishingly, amazingly, alarmingly

onomatopoeic or mimetic word  adverb 

• quickly, briefly

adverb 

• successively, continuously, in a row

onomatopoeic or mimetic word  adverb  adverb taking the と particle 

• with a whack, with a thump
• openmouthed, with one's mouth wide-open, gaping, flabbergasted
• vacantly, blankly, absentmindedly
• gaping (of a hole, etc.), suddenly opening

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

• gasping