(electrical engineering) negative logic

(medicine) Clipping of インフルエンザ (infuruenza, “influenza, flu”).

(slang, video games) nerf

(slang, video games) to nerf

loving father; affectionate father / An affectionate way to refer to one's father: my dear father

constancy, unchangeable, immutable, everlasting

constant; permanent

(manga) a form of speech bubble, where the border is made of lines emanating outwards from a circular shape

(slang) to enjoy something fluffy (such as burying one's face in a cat's fur, etc.)

(obsolete) The hentaigana syllable that is used to represent ni in old Japanese text.