Definition of 咄嗟に (とっさに)

とっ

咄嗟に

とっさに

tossani

adverb
at once, right away, promptly, on the spur of the moment(usually kana)
Related Kanji
exclamation of surprise, cry out (in anger), scold, talk, chat
lament, grieve, sigh, alas, ah