Scrabble?! ARBITRARY

Definitions of ARBITRARY in various dictionaries:

adj - based on or subject to individual discretion or preference or sometimes impulse or caprice

Determined by chance, whim, or impulse, and not by necessity, reason, or principle: stopped at the first motel we passed, an arbitrary choice; arbitrary division of the group into halves.

Based on or subject to individual judgment or preference: The diet imposes overall calorie limits, but daily menus are arbitrary.

Established by a court or judge rather than by a specific law or statute: an arbitrary penalty.

The central meaning shared by these adj ectives is “determined by or arising from whim or caprice rather than judgment or reason”: an arbitrary decision; a capricious refusal; the butt of whimsical persecution.