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n. The cardinal number equal to 4 × 10.

n. A decade or the numbers from 40 to 49: They stopped smoking in their forties. At night the temperature fell into the forties.

n. The decade from 40 to 49 in a century.

n. The cardinal number occurring after thirty-nine and before forty-one.

n. A 40 ounce bottle of beer.

adj. Four times ten; thirty-nine and one more.

n. The sum of four tens; forty units or objects.

n. A symbol expressing forty units; as, 40, or xl.

Four times ten; ten more than thirty, or one more than thirty-nine: a cardinal numeral.

The sum of four tens, or of thirty-nine and one.

A symbol representing this number, as 40, XL, or xl.

The name (with qualifying terms) of two appellate civil tribunals and a criminal court in the Venetian republic.

A collective designation of the members of the French Academy, forty in number. Also called the Forty Immortals.

adj. being ten more than thirty

n. the cardinal number that is the product of ten and four

""Mr. Brewer of the Crown inn, Nothingham, undertook for a wager of forty guineas to go with a mare belonging to him in a cart, to Newark and back again, being a distance of _forty miles, in four hours_."

cardinal   

large integer   

half forty    the roaring forties    the forty    thirty    30    41    forty-one    fifty    thirty-nine    venti   

fortieth   

Roman numerals    Arabic numerals   

corti    shorty    sortie    sporty   

thirty    seventy    sixty    ninety    eighty    '90s    '80s    '70s    teens    heavyset