Submitted by György Chityil ... on Fri, 01/19/2018 - 22:28 Hierarchy: NumeralDescription: {{ordinal|lang=en}} The ordinal form of the number thirty-one, describing a person or thing in position number 31 of a sequence.Ngram: thirty-firstNgram Text: thirty-firstSource: WiktionaryIssue: 0Wiktionary tag: ordinallang=enNgram Count: 1