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Alternative forms[edit]


Etymology 1[edit]

From Anglo-Norman, Old Northern French warant, warand ( = Old French guarant > modern garant), present participle of a Romance verb from Frankish *warjan.


warrant (plural warrants)

  1. (obsolete) A protector or defender.
  2. Authorization or certification; sanction, as given by a superior.
  3. Something that provides assurance or confirmation; a guarantee or proof: a warrant of authenticity; a warrant for success.
    • Garry Wills:
      He almost gives his failings as a warrant for his greatness.
  4. An order that serves as authorization, especially: A voucher authorizing payment or receipt of money.
  5. (law) A judicial writ authorizing an officer to make a search, seizure, or arrest or to execute a judgment.
    arrest warrant issued by Thai supreme court
  6. A warrant officer.
  7. A certificate of appointment given to a warrant officer.
  8. (finance) An option, usually with a term at issue greater than a year, usually issued together with another security, to buy other securities of the issuer.
  9. (New Zealand) A Warrant of Fitness; a document certifying that a motor vehicle meets certain standards of safety and mechanical soundness.
Derived terms[edit]

Etymology 2[edit]

From Anglo-Norman, Old Northern French warantir, warandir ( = Old French guarantir > modern garantir), a Romance formation from the noun, Etymology 1, above.


warrant (third-person singular simple present warrants, present participle warranting, simple past and past participle warranted)

  1. (obsolete, transitive) To protect, keep safe (from danger).
    • 1603, John Florio, translating Michel de Montaigne, Essays, Folio Society, 2006, vol.1, p.44:
      all honest meanes for a man to warrant himselfe from evils are not onely tolerable, but commendable.
  2. (transitive) To guarantee (something) to be (of a specified quality, value etc.).
    • 1851, Herman Melville, Moby-Dick:
      His pure tight skin was an excellent fit; and closely wrapped up in it, and embalmed with inner health and strength, like a revivified Egyptian, this Starbuck seemed prepared to endure for long ages to come, and to endure always, as now; for be it Polar snow or torrid sun, like a patent chronometer, his interior vitality was warranted to do well in all climates.
  3. (transitive) To guarantee as being true; (colloquially) to believe strongly.
    That tree is going to fall, I'll warrant.
  4. (obsolete, transitive) To give (someone) a guarantee or assurance (of something); also, with double object, to guarantee (someone something).
    • 1621, Robert Burton, The Anatomy of Melancholy, II.ii.1.1:
      Crato, in a consultation of his for a noble patient, tells him plainly, that if his highness will keep but a good diet, he will warrant him his former health.
  5. (transitive) To authorize; to give (someone) warrant or sanction (to do something).
    I am warranted to search these premises fully.
  6. (transitive) To justify; to give grounds for.
    Circumstances arose that warranted the use of lethal force.





warrant m (invariable)

  1. warrant (document or certificate)