てっきり

てっきり

surely, certainly, without doubt

JLPT N1

Details

Part of Speech:
Adverb
Romaji:
tekkiri

Example Sentences

てっきり明日は雨が降るだろうと思ってた

I thought it would surely rain tomorrow.

てっきり彼は来ると思ってたけど来なかった

I thought he would surely come, but he didn't.