out of bounds

prohibition, inhibition; veto, disallowance; interdict, interdiction; injunction; embargo, ban, taboo, proscription; index expurgatorius; restriction (restraint); hindrance; forbidden fruit; Maine law [U.S.]; blue law.

prohibit, inhibit; forbid, put one's veto upon, disallow; bar; debar (hinder), forefend., keep in, keep within bounds; restrain; cohibit, withhold, limit, circumscribe, clip the wings of, restrict; interdict, taboo; put under an interdiction, place under an interdiction; put under the ban, place under the ban; proscribe; exclude, shut out; shut the door, bolt the door, show the door; warn off; dash the cup from one's lips; forbid the banns.

prohibitive, prohibitory; proscriptive; restrictive, exclusive; forbidding, prohibited; not permitted; unlicensed, contraband, under the ban of; illegal; unauthorized, not to be thought of.

on no account (no).