Ninety
//ˈnaɪn.ti// num
num ·Uncommon ·Advanced level
Definitions
Noun
- 1 the cardinal number that is the product of ten and nine wordnet
Adjective
- 1 being ten more than eighty wordnet
Numeral
- 1 The cardinal number occurring after eighty-nine and before ninety-one, represented in Roman numerals as XC and in Arabic numerals as 90.
Example
More examples"It is not rare at all to live over ninety years."
Etymology
From Middle English nynty, nynety, from Old English hundniġontiġ, from Proto-Germanic *newuntēhundą (“ninety”), equivalent to nine + -ty. Cognate with Scots nynty, nynety (“ninety”), Saterland Frisian njuugentich (“ninety”), West Frisian njoggentich (“ninety”), Dutch negentig (“ninety”), German Low German negentig (“ninety”), German neunzig (“ninety”), Swedish nittio (“ninety”), Norwegian Bokmål nitti (“ninety”), Norwegian Nynorsk nitti (“ninety”), Icelandic níutíu (“ninety”).
Related phrases
More for "ninety"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.