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thirtieth
thirtieth definition
thir·ti·eth (t̸hʉrt′ē it̸h)
adjective
- preceded by twenty-nine others in a series; 30th
- designating any of the thirty equal parts of something
Etymology: < ME thrittythe < OE thritigotha: see thirty & -th
noun
- the one following the twenty-ninth
- any of the thirty equal parts of something;
adverb
in the thirtieth place, rank, group, etc.
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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