white key (of a piano, etc.)

(Internet slang) protected account (on social media, especially Twitter and Instagram)

to lock (a door, etc.) / (Internet slang) (of a SNS account) to change privacy setting to limited people and posts and/or profiles can be seen by limited people.

(idiomatic) to hold the key (to)

(grammar) absolutive case

(mathematics) absolute value (numerical value of a real number)

(fandom slang) exposed skin of the thigh between the hem of a miniskirt and thigh-high socks

absolute

(philosophy) absolutism / (monarchy) Synonym of 絶対君主制 (zettai kunshusei, “absolute monarchy”) / (art) Synonym of シュプレマティスム (Shupurematisumu, “Suprematism”)

(meteorology) absolute humidity