From Longman Dictionary of Contemporary Englishthe biggest/worst etc (something) yetthe biggest/worst etc (something) yetused to say that something is the biggest, worst etc of its kind that has existed up to nowThis could turn out to be our biggest mistake yet.Nordstrom’s latest novel looks like his best yet. →yet
Examples from the Corpus
the biggest/worst etc (something) yet• Her third night here and it had been the worst one yet.• That was the worst task yet, as Psychesaw when she approached the waterfall.• The decision opens the biggest policy rift yet between Holyrood and Westminster.• No, the worst ... Yet is she listening now?• And the worst was yet to come.• The two have returned from a disastrousholiday in Greecebut the worst is yet to come.