30th

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Definitions from WordNet

Adjective 30th has 1 sense

thirtieth, 30th - coming next after the twenty-ninth in position
Antonym: cardinal (indirect, via ordinal)

Definitions from the Web

30th

Part of Speech: Adjective

Definition: Relating to or denoting the ordinal number thirty.

Sense 1: Occurring or representing the number thirty in a series.

Example sentence 1: Today is my 30th birthday, and I am excited to celebrate with my friends and family.

Example sentence 2: This year marks the 30th anniversary of our company's establishment.

Part of Speech: Noun

Definition: The 30th day, month, or year in a series.

Sense 1: The 30th day of a month.

Example sentence 1: The deadline for submitting the report is the 30th of this month.

Example sentence 2: Don't forget, we have a special event on the 30th, so mark it in your calendar.

Part of Speech: Adverb

Definition: In the style or manner of someone who is 30 years old.

Sense 1: With the experience or maturity of a 30-year-old.

Example sentence 1: She handled the situation with wisdom beyond her years, speaking and acting in a very 30th manner.

Example sentence 2: As a young entrepreneur, he impressed everyone with his 30th business acumen.