<p><strong>Adjective:</strong></p><ul><li>proscribed by society as improper or unacceptable</li><li>prohibited or excluded from use or practice</li><li>separated or set apart as sacred; forbidden for general use; placed under a prohibition or ban</li></ul><p><strong>Synonyms:</strong></p><ul><li>forbidden</li><li>inviolable</li><li>sacrosanct</li></ul><p><strong>Antonyms:</strong></p><ul><li>permissible</li><li>allowed</li></ul><p><strong>Noun:</strong></p><ul><li>a prohibition or interdiction of anything; exclusion from use or practice</li><li>the condition of being so set apart, forbidden, or interdict</li><li>exclusion from social relations; ostracism</li></ul><p><strong>Verb:</strong></p><ul><li>tabooed</li><li>tabooing</li><li>to put under a taboo; prohibit or forbid</li></ul><p><strong>Synonyms (for verb):</strong></p><ul><li>proscribe</li><li>forbid</li><li>ban</li><li>prohibit</li></ul><p><strong>Antonyms (for verb):</strong></p><ul><li>sanction</li><li>permit</li><li>allow</li></ul>