invalid in‧val‧id [ɪnˈvæld] adjective
1. LAW an invalid contract, agreement, document etc is not legally or officially acceptable:

• Wellcome's patent to the drug was ruled invalid because the company didn't invent the compound.

• evidence obtained using invalid warrants

2. not based on true facts and therefore not right:

• The promotions lacked balance and made invalid comparisons between rival products.

3. COMPUTING if something that you type into a computer is invalid, the computer does not recognize or accept it:

• The date is in an invalid format.

— invalidity noun [uncountable] :

• The bonds are perforated with small holes to show their invalidity.

* * *

invalid UK US /ɪnˈvælɪd/ adjective
LAW not legally or officially acceptable: »

an invalid document/passport/licence

be declared/deemed/ruled invalid »

Insurance is ruled invalid if the report is not received within 30 days of the theft.

not correct, or not based on correct information: »

A small number of messages bounced back from invalid e-mail accounts.

IT not recognized or accepted by a computer: »

invalid data

Compare VALID(Cf. ↑valid)

Financial and business terms. 2012.

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Look at other dictionaries:

  • invalid — in·val·id /in va ləd/ adj: being without force or effect under the law declared the will invalid in·val·id·ly adv Merriam Webster’s Dictionary of Law. Merriam Webster. 1996 …   Law dictionary

  • invalid — INVALÍD, Ă, invalizi, de, adj., s.m. şi f. (Persoană) care are o infirmitate (din cauza căreia este inaptă de muncă); infirm, mutilat, schilod. – Din fi. invalide, lat. invalidus. Trimis de valeriu, 21.07.2003. Sursa: DEX 98  Invalid ≠ valid… …   Dicționar Român

  • .invalid — Введение 1999 Тип домена зарезервированный общий домен верхнего уровня Статус Зарезервирован для предотвращения конфликтов и путаницы Регистратор IANA Назначение При необходи …   Википедия

  • Invalid — In va*lid, a. [See {Invalid}, n.] Not well; feeble; infirm; sickly; as, he had an invalid daughter. [1913 Webster] …   The Collaborative International Dictionary of English

  • Invalid — In va*lid, v. t. 1. To make or render invalid or infirm. Invalided, bent, and almost blind. Dickens. [1913 Webster] 2. To classify or enroll as an invalid. [1913 Webster] Peace coming, he was invalided on half pay. Carlyle. [1913 Webster] …   The Collaborative International Dictionary of English

  • Invalid — In*val id, a. [Pref. in not + valid: cf. F. invalide, L. invalidus infirm, weak. Cf. {Invalid} infirm.] [1913 Webster] 1. Of no force, weight, or cogency; not valid; weak. [1913 Webster] 2. (Law) Having no force, effect, or efficacy; void; null;… …   The Collaborative International Dictionary of English

  • Invalid — may refer to:*Patient, a sick person *A person with a disabilityAs the opposite of valid:*Validity, in logic, true premises cannot lead to a false conclusion *Validity (statistics), a measure which is measuring what it is supposed to measure… …   Wikipedia

  • .invalid — est un domaine de premier niveau réservé. Un domaine de premier niveau réservé est un domaine de premier niveau qui n’est pas destiné à être utilisé dans le système de nom de domaine (Domain Name System) d’Internet, mais qui est réservé à un… …   Wikipédia en Français

  • invalid — invàlīd m <G invalída> DEFINICIJA onaj koji ima od rođenja ili kao posljedicu ozljede ili bolesti tjelesno ili duševno oštećenje SINTAGMA invalid rada onaj kojem je tjelesno ili duševno zdravlje narušeno na radnom mjestu ili u radnom… …   Hrvatski jezični portal

  • invalid — [adj1] worthless; unfounded bad, baseless, fallacious, false, ill founded, illogical, inoperative, irrational, mad, not binding, not working, nugatory, null, null and void*, reasonless, sophistic, unreasonable, unreasoned, unscientific, unsound,… …   New thesaurus

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