1. thirtieth - Noun
2. thirtieth - Adjective
3. thirtieth - Adjective Satellite
Next in order after the twenty-ninth; the tenth after the twentieth; -- the ordinal of thirty; as, the thirtieth day of the month.
Constituting or being one of thirty equal parts into which anything is divided.
The quotient of a unit divided by thirty; one of thirty equal parts.
Source: Webster's dictionaryAccidentally built standing thirty stories high (the builder said he was very sorry for the mistake), Wayside School has some of the wackiest classes in town, especially on the thirtieth floor. Source: Internet
At one point, only 29 Helens agreed that promptness was important (the thirtieth Helen was running late). Source: Internet
In The Trial of Enoch Powell, a Channel 4 television broadcast in April 1998, on the thirtieth anniversary of his Rivers of Blood speech (and two months after his death), 64% of the studio audience voted that Powell was not a racist. Source: Internet
“AI detection takes only one thirtieth of the time used by an ophthalmologist, enabling it to screen more cases and reduce human error,” Xi said, adding that ophthalmologists are in short supply in China, particularly at the community level. Source: Internet
Anyway, my husband's parents were in town for the first time since we moved here, and as a celebration of our upcoming thirtieth (gasp!) birthdays, they took us to Chez Panisse. Source: Internet
Barring a special session, lawmakers closed out the thirtieth Legislative session and will leave the Capitol either for good or until a new Legislature arrives in January. Source: Internet