popular  JLPT N3  usually written using kana alone  onomatopoeic or mimetic word  adverb 

• often, again and again, frequently, repeatedly

popular  JLPT N1  adverb 

• always, all the time, constantly, frequently, often

popular  search-only kana form  onomatopoeic or mimetic word  adverb  adverb taking the と particle  noun or participle taking the aux. verb する  verb (generic)  noun (generic) 

• downheartedly, dejectedly, dispiritedly, despondently

popular  JLPT N1  onomatopoeic or mimetic word  adverb  adverb taking the と particle 

• (slowly and) carefully, without haste, thoroughly, deliberately, closely, meticulously

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

• damp, humid, wet, clammy, muggy, soggy
• gloomy, melancholy, depressing

popular  onomatopoeic or mimetic word  adverb  adverb taking the と particle 

• splashing (water), splashing about, with a splash
• vigorously, generously (e.g. pouring sauce), plenty
• greatly (using or making money)

popular  JLPT N4  onomatopoeic or mimetic word  adverb  adverb taking the と particle 

• all, completely, totally, entirely, thoroughly

popular  JLPT N2  onomatopoeic or mimetic word  adverb  adverb taking the と particle  noun or participle taking the aux. verb する  verb (generic)  noun (generic) 

• refreshingly, with a feeling of relief, pleasantly, (a weight) off one's shoulder
• shapely, neatly, refinedly
• cleanly, without trouble
• clearly, plainly, distinctly
• completely, thoroughly
• not at all (with negative sentence), not even slightly

popular  JLPT N4  onomatopoeic or mimetic word  adverb  noun or participle taking the aux. verb する  verb (generic)  noun (generic) 

• straight, quickly, directly, all of a sudden
• quietly, gently, softly
• to feel refreshed, to feel satisfied

popular  onomatopoeic or mimetic word  adverb  adverb taking the と particle 

• (sleeping) peacefully, quietly, soundly