thirtieth A1 Topic:Numbers & Quantity US /ˈθɝti.əθ/ UK /ˈθɜːti.əθ/ See IPA manual Freq #70265 Meanings 1 adj coming next after the twenty-ninth in position They celebrated their thirtieth anniversary. 2 noun position 30 in a countable series of things They celebrated their thirtieth anniversary. Etymology From earlier thirteth, from Middle English thrittithe, threttiþe, thrittyde, from Old English þrītigoþa; equivalent to thirty + -eth. For the modern form, see the etymological notes at twentieth. Topics Numbers & Quantity External links Cambridge Dictionary Wiktionary Google Images # thirtieth **Type:** Word **Level:** A1 **Part of speech:** adj, noun **IPA (US):** /ˈθɝti.əθ/ **IPA (UK):** /ˈθɜːti.əθ/ **Frequency rank:** 70265 ## Meanings 1. coming next after the twenty-ninth in position 2. position 30 in a countable series of things ## Examples - They celebrated their thirtieth anniversary. - They celebrated their thirtieth anniversary. ## Etymology From earlier thirteth, from Middle English thrittithe, threttiþe, thrittyde, from Old English þrītigoþa; equivalent to thirty + -eth. For the modern form, see the etymological notes at twentieth. ## Topics - Numbers & Quantity markdown