forty

/'fɔ:ti/
Học thuật
Thân thiện
forty

A child counts forty colorful marbles on the floor.

Definition
  1. Cardinal Number (Noun):

    • The number equal to ten times four; the number following thirty-nine and preceding forty-one. It is represented by the symbols 40 or XL.
    • A set or group with forty members.
  2. Adjective:

    • Amounting to forty in number.
    • Being ten more than thirty.
Usage and Examples
  • As a Cardinal Number (Noun):

    • The recipe calls for forty grams of sugar.
    • She celebrated her fortyth birthday last week.
    • A group of forty students attended the lecture.
  • As an Adjective:

    • He has forty books on the shelf.
    • The journey took forty days.
    • There are forty chapters in the novel.
Advanced Usage
  • "The forties" (plural noun): Refers to the decade of years from 1940 to 1949, or to the period of a person's life from age 40 to 49.
    • My grandmother was born in the forties.
    • He is in his early forties.
  • "Forty winks" (idiomatic noun phrase): A short nap or light sleep.
    • I'm just going to catch forty winks before we go out.
Variants and Related Words
  • Fortieth (Adjective & Noun): Constituting number forty in a sequence; the ordinal form of forty.
    • This is the fortieth anniversary of the event.
    • She finished in fortieth place.
  • Forty-something (Adjective & Noun, informal): An unspecified age between 40 and 49, or a person of that age.
    • A forty-something professional.
Synonyms
  • Cardinal Number: Four tens, 40, XL.
  • Adjective: Four times ten, ten more than thirty.
Idioms and Fixed Phrases
  • Forty winks: A brief sleep or nap.
    • He always has forty winks after lunch.
  • Life begins at forty: A proverb suggesting that middle age can be a time of new opportunities and enjoyment.
  • To be forty (years old): To have lived for four decades.
    • She will be forty next month.
forty

A child counts forty colorful marbles on the floor.

Adjective
  1. being ten more than thirty
Noun
  1. the cardinal number that is the product of ten and four