メキメキ

メキメキ, めきめきmekimeki

adverb

  1. remarkably
  2. markedly
  3. rapidly
  4. sound of breaking or creaking

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences