Alternative forms 
Literally "one from one hundred"; ūnus (“one”) + dē (“from”) + centum (“hundred”)
- (cardinal) ninety-nine; 99
- 77-78 — Pliny the Elder, Naturalis Historia, Book VII, section 214
- nec congruēbant ad hōrās eius līneae, pāruērunt tamen eī annīs ūndēcentum, ...
- Although the threads did not come together for those hours, they were evident those ninety-nine years, ...
Usage notes 
Although ūndēcentum is the usual expression for 99, it is also possible to say nōnāgintā novem (“ninety-nine”) or novem et nōnāgintā (“nine and ninety”).
Related terms 
See also