warrant (EN)
noun, verb

noun “warrant”

sg. warrant, pl. warrants or uncountable
  1. a document approved by a judge that allows the police to take a specific action
    The police showed up at his house with a search warrant to look for stolen goods.
  2. official permission or approval, often given by someone in a higher position
    The school principal issued a warrant allowing students to use the gym for their weekend event.
  3. something that assures or confirms something else; a form of guarantee or evidence
    The certificate served as a warrant that the painting was genuine.
  4. a document that entitles you to receive money, services, or other benefits
    She received a warrant that allowed her to claim a free meal at the restaurant.
  5. a good reason for doing something, usually mentioned when such a reason does not exist
    There is no warrant for blaming her without any evidence.
  6. a financial tool that gives the holder the right to buy more securities from the issuer at a later date
    The company issued bonds with attached warrants that allowed investors to buy additional shares at a fixed price over the next five years.
  7. an official document that appoints someone as a warrant officer in the military
    After years of dedicated service, John finally received his warrant and was promoted.

verb “warrant”

warrant; he warrants; past warranted, part. warranted; ger. warranting
  1. to promise or ensure that something is of a certain quality or standard
    The company warrants this watch to be water-resistant up to 100 meters.
  2. to assure something is true or to express strong belief in something (colloquial)
    I can warrant that this recipe will turn out delicious every time.
  3. to give someone the official right to do something
    The police officer was warranted to enter the building and look for evidence.
  4. to provide a valid reason for doing something
    The heavy rain warranted canceling the outdoor event.
  5. to make something necessary or suitable under specific circumstances
    The rainy weather warrants bringing an umbrella.