Definitions

1. adjective

relating to or consisting of ninety years or a period of ninety years

“The nonagenary king celebrated his ninetieth birthday with a grand ceremony.”

2. noun

a period of ninety years; a nonagenarian

“The nonagenary’s life story was a testament to her strength and resilience.”

3. noun

one who has lived or is living to the age of ninety

“The nonagenary was honored for her contributions to the community.”