un·con·sti·tu·tion·al /ˌən-ˌkän-stə-'tü-shə-nəl, -'tyü-/ adj: contrary to or failing to comply with a constitution; esp: violative of a person's rights guaranteed by the U.S. Constitution
an unconstitutional search and seizure
un·con·sti·tu·tion·al·i·ty /-ˌtü-shə-'na-lə-tē, -ˌtyü-/ n
un·con·sti·tu·tion·al·ly adv

Merriam-Webster’s Dictionary of Law. . 1996.

index illegal, illicit, impermissible, unauthorized, unlawful

Burton's Legal Thesaurus. . 2006

Conflicting with the Constitution of the United States or another constitution.

The Essential Law Dictionary. — Sphinx Publishing, An imprint of Sourcebooks, Inc. . 2008.

In opposition to the constitution. Used to describe to a statute, governmental conduct, court decision, or private contract that violates one or more provisions of the constitution. Can be used in reference to the federal constitution or a state constitution.
Category: Small Claims Court & Lawsuits

Nolo’s Plain-English Law Dictionary. . 2009.

adj. In conflict with the letter or intent of the United States Constitution. When a statute is found to be unconstitutional, all obligations arising from it are unlawful, and no person can be held accountable for having failed to live up to his or her obligations under that statute, nor is the statute enforceable.

Webster's New World Law Dictionary. . 2000.

   referring to a statute, governmental conduct, court decision or private contract (such as a covenant which purports to limit transfer of real property only to Caucasians) which violate one or more provisions of the U.S. Constitution. The ultimate determination of constitutionality is the U.S. Supreme Court. Unconstitutional can also refer to violations of a state constitution.
   See also: constitution, Supreme Court

Law dictionary. . 2013.


Look at other dictionaries:

  • Unconstitutional — Un*con sti*tu tion*al, a. Not constitutional; not according to, or consistent with, the terms of a constitution of government; contrary to the constitution; as, an unconstitutional law, or act of an officer. Burke. {Un*con sti*tu tion*al i*ty}, n …   The Collaborative International Dictionary of English

  • unconstitutional — (adj.) 1734, from UN (Cf. un ) (1) not + CONSTITUTIONAL (Cf. constitutional) …   Etymology dictionary

  • unconstitutional — [adj] illegal against the law, banned, criminal, felonious, forbidden, illegitimate, illicit, lawless, not legal, outlawed, prohibited, prosecutable, unauthorized, unlawful, violating, wrongful; concepts 319,545 …   New thesaurus

  • unconstitutional — ► ADJECTIVE ▪ not in accordance with the political constitution or with procedural rules. DERIVATIVES unconstitutionally adverb …   English terms dictionary

  • unconstitutional — [un΄kän stə to͞o′shə nəl] adj. not in accordance with or permitted by a constitution, specif. the U.S. Constitution; not constitutional ☆ unconstitutionality [un΄känshə nal′ə tē] n. unconstitutionally adv …   English World dictionary

  • unconstitutional — [[t]ʌ̱nkɒnstɪtju͟ːʃən(ə)l, AM tu͟ː [/t]] ADJ If something is unconstitutional, it breaks the rules of a political system. The Moldavian parliament has declared the elections unconstitutional... Banning cigarette advertising would be… …   English dictionary

  • unconstitutional — adjective Date: 1734 not according or consistent with the constitution of a body politic (as a nation) < an unconstitutional infringement on rights > • unconstitutionality noun • unconstitutionally adverb …   New Collegiate Dictionary

  • unconstitutional — adjective Contrary to or violative of the constitution of a government or other institution. That recently passed political bill has been declared unconstitutional. Ant: constitutional …   Wiktionary

  • unconstitutional — adj. Unconstitutional is used with these nouns: ↑infringement, ↑law, ↑restraint …   Collocations dictionary

  • unconstitutional — un|con|sti|tu|tion|al [ˌʌnkɔnstıˈtju:ʃənəl US ka:nstıˈtu: ] adj not allowed by the ↑constitution (=set of rules or principles by which a country or organization is governed) ▪ claims that the President s action was unconstitutional… …   Dictionary of contemporary English

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