Princeton's WordNet(5.00 / 1 vote)Rate this definition:

1. forty, 40, XL(adj)

   the cardinal number that is the product of ten and four

2. forty, 40, xl, twoscore(adj)

   being ten more than thirty

Wiktionary(0.00 / 0 votes)Rate this definition:

1. forty(Noun)

   A 40 ounce bottle of beer.

2. forty(Numeral)

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

Webster Dictionary(0.00 / 0 votes)Rate this definition:

1. Forty(adj)

   four times ten; thirty-nine and one more

2. Forty(noun)

   the sum of four tens; forty units or objects

3. Forty(noun)

   a symbol expressing forty units; as, 40, or xl

Origin: [OE. forti, fourti, fowerti, AS. fewertig; fewer four + suff. -tig ten; akin to OS. fiwartig, fiartig, D. veertig, G. vierzig, Icel. fjrutu, Sw. fyratio, Dan. fyrretyve, Goth. fidwr tigjus. See Four, and Ten, and cf. Fourteen.]

Freebase(0.00 / 0 votes)Rate this definition:

1. Forty

   Forty: Live Limited Edition is a live album released by Thomas Dolby in 2001. It was recorded at a gathering at his Half Moon Bay, Northern California, home celebrating his fortieth birthday, and at another private performance. It features backing musicians Brian Salter, Leslie Adams, and Caroline Lavelle. All seven songs originally appeared on previous albums: three from The Flat Earth, two from Aliens Ate My Buick, and one each from The Golden Age of Wireless and Astronauts and Heretics.

Chambers 20th Century Dictionary(0.00 / 0 votes)Rate this definition:

1. Forty

   for′ti, adj. and n. four times ten.—adj. For′tieth.—n. a fortieth part.—Forty winks, a short nap, esp. after dinner.—The Forty, the French Academy. [A.S. féowertig—feower, four, tig, ten.]

British National Corpus

1. Spoken Corpus Frequency

   Rank popularity for the word 'forty' in Spoken Corpus Frequency: #3566

2. Written Corpus Frequency

   Rank popularity for the word 'forty' in Written Corpus Frequency: #278

Numerology

1. Chaldean Numerology

   The numerical value of forty in Chaldean Numerology is: 4

2. Pythagorean Numerology

   The numerical value of forty in Pythagorean Numerology is: 3

Sample Sentences & Example Usage

1. George Bernard Shaw:

   Every man over forty is a scoundrel.

2. Voltaire:

   England has forty-two religions and only two sauces.

3. Edward Young:

   Be wise with speed . A fool at forty is a fool indeed.

4. Will Rogers:

   One ad is worth more to a paper than forty editorials.

5. Victor Hugo:

   Forty is the old age of youth fifty is the youth of old age.

Images & Illustrations of forty