From Longman Dictionary of Contemporary Englishbe the last word in somethingbe the last word in somethingBESTto be the best, most modern, or most comfortable example of something It’s the last word in luxury holidays. → last
Examples from the Corpus
be the last word in something• It's the last word in luxury resorts.• It may be the last word in consumer issues but it has never been available on news stands.• With its 700-feet-long façade and 600-feet-long porte cochère, it is the last word in grandiose monumentalism.• Sandy Lyle at the new club which is the last word in luxury golfing.• But if airships were the last word in luxury then the penultimate word belonged to the flying boat.• Needless to say, this is not going to be the last word in the debate between the constructivists and the nativists. 