adverb

Usually written with kana alone, onomatopoeic or mimetic word.
  1. surely, undoubtedly, almost certainly, most likely (e.g. 90 percent).
  2. sternly, severely. Esp. キッと.
  3. having no slack, rigid, stiff, tight.
  4. suddenly, abruptly, instantly. Archaism.

Variations

Pronunciation Kanji Kana Is Common
 
 
 
きっと
屹度 きっと
急度
急度 きっと
 
 
 
キッと