hallmark(redirected from hallmarks)
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A particularly poignant, memorable, or emotionally touching moment or event, i.e., one that would be suitable as a greeting card. A reference to the Hallmark brand of greeting cards. Sometimes used ironically or satirically. With so much of the extended family coming to visit, Grandpa's 80th birthday is turning into quite the Hallmark moment!
have all the ˈhallmarks of somebody/somethinghave all the characteristics or typical features of somebody/something: The burglary had all the hallmarks of a professional job.
Hallmarks are marks put on gold and silver objects that show the quality of the metal and give information about when and where they were made.