たしか
Meanings
Adjective (な)
Noun
1. sure; certain; positive; definite
2. reliable; trustworthy; safe; sound; firm; accurate; correct; exact
Adverb
3. If I'm not mistaken; If I remember correctly; If I remember rightly
Pitch accent
しか
Top 3900
Used in vocabulary (10 in total)
surely; certainly
to ascertain; to check; to make sure
confirmation; certification; ascertainment
unreliable; uncertain; indefinite; unclear
probable; likely
to strengthen; to beef up; to put on a firm basis; to ensure; to secure
in one's senses; sane
established (certain) fact
reliable source
probability; likelihood; chances
Examples (36 in total)
I'm certain.
Are you sure about that?
His information is certain.