thirty-first
Speech parts
1. thirty-first - Noun
2. thirty-first - Adjective
3. thirty-first - Adjective Satellite
Meaning
coming next after the thirtieth in position
Source: WordNetSynonyms
Examples
On the eve of K.'s thirty-first birthday, two men arrive at his apartment.
On the night of May thirty-first 2010, Rodwell Williams was shot as he left his law office on Albert Street.
See citation It is possible that Offa did not gain the throne until 758, however, since a charter of 789 describes Offa as being in the thirty-first year of his reign.
The novel was in its thirty-first printing when playwright A. A. Milne adapted a part of it for the stage as Toad of Toad Hall in 1929.
The People’s United Party will elect its new leader on January thirty-first in Belmopan.