ぜってー

adverb

definitely; absolutely; without doubt

Colloquial Kantō dialect contraction of 絶対 (ぜったい). Used as an emphatic adverb meaning 'for sure' or 'no matter what'.

See also: 絶対

• ぜってー明日あしたまでに終おわらせる。

  I'll definitely finish it by tomorrow.

• あいつはぜってー来くるって言いってた。

  He said he'd absolutely come.

noun which may take the genitive case particle 'no'

absolute; unconditional

Colloquial Kantō dialect contraction of 絶対 (ぜったい). Used as a pre-noun adjectival meaning 'absolute' or 'unconditional', often in casual speech.

See also: 絶対

• ぜってーの約やく束そくだぞ。

  It's an absolute promise, you know.