thirtieth
noun
- ordinal number
adjective
- in ordinal position 30
Wiktionary
Pronunciation: /ˈθɜːti.əθ/ / /ˈθɝti.əθ/
adj
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.
- The ordinal form of the number thirty.
noun
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.
- The person or thing in the thirtieth position.
- One of thirty equal parts of a whole.