Definition of "ossified"

Launching a new platform, he said, was like starting a new country: Getting users to move from an established network that had an ossified economy and social classes to a new network requires the possibility of success — the lure of the American Dream.

2020 December 17, Li Jin, quoting Alex Zhu, “The Creator Economy Needs a Middle Class”, in Harvard Business Review‎

At Wanda's house, two nights before the wedding, she, Jenny, and two other girls were doing shots with beer chasers while Tom and I and another guy watched as they all got ossified.

2018, Newton Taylor, Acadia‎