How to say "remarkably" in Japanese

• めっきりJLPT N2approx.Common
  adverb (with と)Covers the 'noticeably, visibly, considerably' sense: something has become remarkably different, typically less frequent or weaker than before. Typical of weather, health, or how often one sees someone.
  めっきり寒さむくなった。↗

  It has become noticeably colder.
• メキメキCommon
  adverb (with と)Covers the 'remarkably, markedly, rapidly' sense, emphasizing quick, visible improvement or progress, especially in skill or ability; being onomatopoeic, it vividly conveys the pace of change.
  タケシはめきめき数学すうがくの力ちからをつけている。↗

  Takeshi is making great progress with math.

Use 「めっきり」 for something noticeably or visibly changing (often lessening), and 「メキメキ」 for rapid, marked progress or improvement; both are common mimetic-flavored adverbs.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• めっきりremarkably
• めきめきremarkably
• ぐんとremarkably
• ひときわconspicuously
• ぐーんremarkably
• 著しくいちじるしくconsiderably
• ずんとmuch
• 目に見えてめにみえてvisibly
• 突出してとっしゅつしてespecially
• すぐれてextremely