Dictionaries update to reflect current-usage. Millenials were also a US baby-boom generation, and my older three children, born mid-00’s, were part of a surge in births that made the papers. There’s good reason even your own link doesn’t include a date range.
Some are born in good times. Some are born into lots of company in their age range. Plenty are born-into neither, and the dictionary can’t distill all that into understanding without being vague on-purpose to leave room for idiots to grow.
Dictionaries update to reflect current-usage. Millenials were also a US baby-boom generation, and my older three children, born mid-00’s, were part of a surge in births that made the papers. There’s good reason even your own link doesn’t include a date range.
Some are born in good times. Some are born into lots of company in their age range. Plenty are born-into neither, and the dictionary can’t distill all that into understanding without being vague on-purpose to leave room for idiots to grow.