thirtieth
/'θə:tiiθ/
Definition
Adjective:
- Coming next after the twenty-ninth in position: Used to describe the ordinal number corresponding to the number 30 in a sequence.
- Constituting number thirty in a series: Pertaining to one of thirty equal parts.
Noun:
- Position 30 in a countable series of things: The rank or place of number thirty.
- One of thirty equal parts of something: A fraction equal to one divided by thirty (1/30).
Usage Examples
- Adjective:
- This is my thirtieth visit to the museum. (This indicates the visit number 30 in a sequence.)
- Her thirtieth birthday was a grand celebration. (This describes the birthday that marks 30 years of age.)
- Noun:
- He finished in thirtieth place in the race. (This refers to rank number 30.)
- She inherited a thirtieth of the estate. (This means one part out of thirty equal parts.)
Advanced Usage
- "The thirtieth of the month": A common phrase to specify a date.
- The payment is due on the thirtieth of April.
- "Thirtieth anniversary": Denoting the 30-year milestone of an event.
- They celebrated their thirtieth wedding anniversary.
Variants and Related Words
- Thirty (noun, adjective): The cardinal number 30.
- There are thirty days in April.
- Thirtiethly (adverb, rare): In the thirtieth place (used in enumerations).
- Thirtiethly, we must consider the long-term impact.
Synonyms
- 30th (adj, n): The numeric symbol for thirtieth.
- Trigesimal (adj, formal/rare): A technical term meaning thirtieth or relating to thirty.
Related Phrases
- In one's thirtieth year: During the year a person is age 30.
- He wrote his first novel in his thirtieth year.
Adjective
-
coming next after the twenty-ninth in position
Noun
-
position 30 in a countable series of things
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