hun·dred / ˈhəndrid/ • cardinal number (pl. -dreds or (with numeral or quantifying word) -dred) (a/one hundred) the number equivalent to the product of ten and ten; ten more than ninety; 100: a hundred yards away there are just a hundred of us here. (Roman numeral: c or C.) ∎  (hundreds) the numbers from 100 to 999: an unknown number, probably in the hundreds, had already been lost. ∎  (hundreds) several hundred things or people: it cost hundreds of dollars. ∎  (usu. hundreds) inf. an unspecified large number: hundreds of letters poured in. ∎  (the —— hundreds) the years of a specified century: the early nineteen hundreds. ∎  one hundred years old: you must be over a hundred! ∎  one hundred miles per hour. ∎  a hundred-dollar bill. ∎  (chiefly in spoken English) used to express whole hours in the twenty-four-hour system: thirteen hundred hours.PHRASES: a (or one) hundred percent entirely; completely: I'm one hundred percent sure. ∎  inf. completely fit and healthy: I wasn't exactly one hundred percent. ∎  inf. maximum effort and commitment: he always gave one hundred percent for the team.DERIVATIVES: hun·dred·fold / -ˌfōld/ adj. & adv.hun·dredth / ˈhəndrid[unvoicedth]; ˈhəndrit[unvoicedth]/ ordinal number .ORIGIN: late Old English, from hund ‘hundred’ (from an Indo-European root shared with Latin centum and Greek hekaton) + a second element meaning ‘number’; of Germanic origin and related to Dutch honderd and German hundert. The noun sense ‘subdivision of a county’ is of uncertain origin: it may originally have been equivalent to a hundred hides of land (see hide³ ).