Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun warrant
4 senses of warrant
Sense 1
warrant -- (a writ from a court commanding police to perform specified acts)
=> writ, judicial writ -- ((law) a legal document issued by a court or judicial officer)
Sense 2
warrant, stock warrant, stock-purchase warrant -- (a type of security issued by a corporation (usually together with a bond or preferred stock) that gives the holder the right to purchase a certain amount of common stock at a stated price; "as a sweetener they offered warrants along with the fixed-income securities")
=> security, surety -- (property that your creditor can claim in case you default on your obligation; "bankers are reluctant to lend without good security")
Sense 3
sanction, countenance, endorsement, indorsement, warrant, imprimatur -- (formal and explicit approval; "a Democrat usually gets the union's endorsement")
=> approval, commendation -- (a message expressing a favorable opinion; "words of approval seldom passed his lips")
Sense 4
guarantee, warrant, warrantee, warranty -- (a written assurance that some product or service will be provided or will meet certain specifications)
=> assurance, pledge -- (a binding commitment to do or give or refrain from something; "an assurance of help when needed"; "signed a pledge never to reveal the secret")
Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb warrant
2 senses of warrant
Sense 1
justify, warrant -- (show to be reasonable or provide adequate ground for; "The emergency does not warrant all of us buying guns"; "The end justifies the means")
=> confirm, reassert -- (strengthen or make more firm; "The witnesses confirmed the victim's account")
Sense 2
guarantee, warrant -- (stand behind and guarantee the quality, accuracy, or condition of; "The dealer warrants all the cars he sells"; "I warrant this information")
=> back, endorse, indorse, plump for, plunk for, support -- (be behind; approve of; "He plumped for the Labor Party"; "I backed Kennedy in 1960")