List: adverb (fukushi)

popular  rarely used kanji form  JLPT N5  usually written using kana alone  adverb  interjection  expression 

• a little, a bit, slightly
• just a minute, for a moment, briefly
• somewhat, rather, fairly, pretty, quite
• (not) easily, (not) readily
• hey!, come on, excuse me
• thanks, but no, not feasible, not possible

noun  noun (generic)  adverb 

• lifetime, one's whole life, all through life

adverb 

• ... the heck (e.g. "what the heck?"), ... in the world (e.g. "why in the world?"), ... on earth (e.g. "who on earth?")

usually written using kana alone  noun taking the genitive case particle の  adjective (generic)  adverb 

• fully fledged, full-fledged, proper, competent, qualified, full-grown

noun  noun (generic)  adverb 

• whole day and night, 24 hours

noun  noun (generic)  adverb 

• temporarily, short period, once, one morning

noun  noun (generic)  adverb 

• fixed interval, fixed period

obsolete kanji  adverb 

• wholeheartedly, single-mindedly, earnestly, intently, determinedly

adverb  adverb taking the と particle  noun  noun (generic) 

• gradually, day by day
• every day, each day

adverb 

• day by day