generational

adj

1. (not-comparable)Of, pertaining to, or changing over generations.

   “The generational shift Mr. Obama once embodied is, in fact, well under way, but it will not change Washington as quickly — or as harmoniously — as a lot of voters once hoped.”

2. (informal, not-comparable)Exceptional; the best/worst of a generation; once-in-a-generation.
3. (not-comparable)Very good/bad (through semantic bleaching or weakening of the above sense).

   “Mr Musk’s actions are worrying shareholders – a gesture he referred to as a “Roman salute” has not gone down well in Europe. In a recent survey of over 100,000 Germans, 94pc said they would never purchase a Tesla, while sales in their country were down 62pc during the first quarter of 2025 compared to the year before. … Gen Z investors on social media refer to errors like this as “a generational fumble”.”