Definition

1. Adjective:
   • Constituting number forty-five in a sequence; the ordinal form of the cardinal number 45. It denotes the position in an ordered list that comes after the 44th and before the 46th.

Usage

• The adjective "45th" is used exclusively to indicate order or position in a series. It is typically placed before a noun.
• It is commonly written with the numeral ("45th") rather than the spelled-out form ("forty-fifth"), especially in dates, rankings, and formal lists.

Examples

• Adjective:
  • He finished in 45th place in the marathon.
  • The 45th President of the United States was Donald Trump.
  • We are celebrating the company's 45th anniversary this year.

Advanced Usage

• As part of a compound ordinal: It can be part of a longer ordinal sequence.
  • This is the forty-five thousand, six hundred and forty-fifth entry in the ledger. (Note: In such cases, the hyphenated form "forty-fifth" is part of the larger compound adjective.)

Variants and Related Words

• Forty-fifth: The spelled-out, hyphenated form of the ordinal number. It is synonymous with "45th" and is used in more formal or literary contexts.
  • The forty-fifth day of the year.

Synonyms

• Forty-fifth: The literal synonym in written form.

Notes

• There are no specific idioms or phrasal verbs associated with the ordinal number "45th". Its usage is purely numerical and sequential.

Adjective

1. the ordinal number of forty-five in counting order