thirty
/'θə:ti/
Học thuậtThân thiện
Definition
Noun:
- The cardinal number that is the product of ten and three: The number 30, which follows twenty-nine and precedes thirty-one.
- (plural: the thirties) A decade or age range: The years from 30 to 39 in a century or in a person's life.
Adjective:
- Being ten more than twenty: Quantifying an amount totaling thirty.
Usage Examples
Noun:
- There are thirty days in the month of April.
- My parents were born in the nineteen thirties.
- She is in her early thirties.
Adjective:
- He bought thirty apples for the party.
- The meeting will start in thirty minutes.
Advanced Usage
"Thirty-something": (Informal) A person in their thirties.
- The magazine is aimed at thirty-somethings with disposable income.
"Thirty pieces of silver": (Idiomatic, historical/biblical) A symbol of betrayal, referring to the payment Judas Iscariot received for betraying Jesus.
- He sold out his principles for thirty pieces of silver.
Variants and Related Words
Thirtieth (adj., n.): Constituting number thirty in a sequence; the ordinal form.
- Today is her thirtieth birthday.
- He finished in thirtieth place.
Thirtyfold (adj., adv.): Thirty times as great or as numerous.
- The investment saw a thirtyfold return.
Synonyms
- 30: The numeric symbol.
- Three tens: A descriptive phrase for the quantity.
Related Phrases
- Thirty years' war: (Historical) A major European war of the 17th century.
- Thirty-second note: (Music) A note with 1/32 the time value of a whole note.
Related Idioms
- "Thirty days hath September...": A traditional mnemonic rhyme for remembering the number of days in each month.
- "Dirty thirty": (Slang, context-dependent) Sometimes used to refer humorously or ironically to one's 30th birthday.
- Are you ready for your dirty thirty party?
Adjective
- being ten more than twenty
Noun
- the cardinal number that is the product of ten and three