I Love KanjiStart learning free
JLPT N1 · Adverb

てっきり (tekkiri)

てっきり is a Japanese adverb meaning “surely; certainly”. It appears in JLPT N1 vocabulary lists and is marked as a common word in JMdict.

Reading
てっきり
Romaji
tekkiri
Word class
Adverb
Level
JLPT N1 (unofficial)

Meaning

  1. surely; certainly; without doubt · adverb · used of beliefs that turned out to be false

Example sentences

てっきりあなたが我々といっしょに来られるものと思っていました。
I took it for granted that you would come with us.
Tatoeba #202233

Sentences from the Tatoeba project, linked to this word in JMdict.

Source: JMdict entry 1008290 (EDRDG, CC BY-SA 4.0). Level: unofficial JLPT list – how levels are assigned.