List: adverb (fukushi)

adverb 

• foolishly, stupidly

onomatopoeic or mimetic word  adverb 

• straining (with physical exertion), crying, groaning, huffing and puffing

usually written using kana alone  adverb 

• awfully, terribly, tremendously, exceedingly, extremely

dated term  noun  noun (generic)  adverb 

• occurring naturally (without human influence)

adverb 

• mercilessly, ruthlessly

expression  adverb 

• without getting annoyed, without being bothered, diligently, properly, carefully

onomatopoeic or mimetic word  adverb 

• with a thud, with a flop, with a plop, with a snap, with a crash
• suddenly (stop, come to an end, etc.)

onomatopoeic or mimetic word  adverb  adverb taking the と particle 

• bouncily, with a stretch, with a boing

onomatopoeic or mimetic word  adverb  adverb taking the と particle 

• quickly, briefly
• rashly, carelessly
• (flowing) in trickles

onomatopoeic or mimetic word  adverb  adverb taking the と particle 

• with a squeaking sound (of metal)