Synonyms of the word

impermissible

• adj. Not permissible; not to be permitted or allowed.

forbidden

• adj. not allowed.
• v. past participle of forbid.

inadmissible

• adj. Not admissible, especially that cannot be admitted as evidence at a trial.

intolerable

• adj. Not tolerable; not capable of being borne or endured; not proper or right to be allowed; insufferable;…
• adj. Extremely offensive or insulting.

out

• adv. Away from home or one's usual place, or not indoors.
• adv. (of the sun, moon, stars, etc.) Visible in the sky; not covered by clouds, fog, etc.
• adv. Away from; at a distance.
• adv. Away from the inside or the centre.
• adv. Into a state of non-operation; into non-existence.
• adv. To the end; completely.
• adv. Used to intensify or emphasize.
• adv. (cricket, baseball) Of a player, disqualified from playing further by some action of a member of the opposing…
• adv. (procedure word, military) A radio procedure word meaning that the station is finished with its transmission…
• prep. (nonstandard, contraction of out of) Away from the inside.
• prep. (colloquial) outside.
• n. A means of exit, escape, reprieve, etc.
• n. (baseball) A state in which a member of the batting team is removed from play due to the application of…
• n. (cricket) A dismissal; a state in which a member of the batting team finishes his turn at bat, due to…
• n. (poker) A card which can make a hand a winner.
• n. (dated) A trip out; an outing.
• n. (chiefly in the plural) One who, or that which, is out; especially, one who is out of office.
• n. A place or space outside of something; a nook or corner; an angle projecting outward; an open space.
• n. (printing, dated) A word or words omitted by the compositor in setting up copy; an omission.
• v. (transitive) To eject; to expel.
• v. (transitive) To reveal (a person) to be gay, bisexual, or transgender.
• v. (transitive) To reveal (a person or organization) as having a certain secret, such as a being a secret…
• v. (transitive) To reveal (a secret).
• v. (intransitive, archaic) To come or go out; to get out or away; to become public.
• v. To become apparent.
• adj. (obsolete) Of a young lady: having entered society and available to be courted.
• adj. Released, available for purchase, download or other use.
• adj. (cricket, baseball) Of a batter or batsman: having caused an out called on himself while batting under…
• adj. Openly acknowledging that one is gay or transgender.

prohibited

• adj. Forbidden; unallowed.
• v. simple past tense and past participle of prohibit.

proscribed

• v. simple past tense and past participle of proscribe.

taboo

• n. An inhibition or ban that results from social custom or emotional aversion.
• n. (in Polynesia) Something which may not be used, approached or mentioned because it is sacred.
• adj. Excluded or forbidden from use, approach or mention.
• adj. Culturally forbidden.
• v. To mark as taboo.
• v. To ban.
• v. To avoid.

tabu

• n. Alternative spelling of taboo.
• v. Alternative spelling of taboo.

unbearable

• adj. so unpleasant or painful as to be unendurable.

unendurable

• adj. Not to be endured; intolerable.

unmentionable

• adj. Not mentionable.

untouchable

• adj. Not able to be touched.
• n. A criminal so adept, they cannot be arrested or convicted.
• n. A pariah.
• n. In the Indian caste system, a member of the lowest caste.
• n. An incorruptible law enforcement agent.

verboten

• adj. forbidden, prohibited.