40 - definition, thesaurus and related words from WordNet-Online

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40 Definitions from WordNet

Adjective 40 has 1 sense

forty, 40, xl, twoscore - being ten more than thirty
Antonym: ordinal (indirect, via cardinal)

Noun 40 has 1 sense

forty, 40, XL - the cardinal number that is the product of ten and four
--₁ is a kind of large integer

Definitions from the Web

40

Noun:

1. A number that is the product of four multiplied by ten.

Example Sentence: The answer to the equation is 40.

Adjective:

1. Referring to something or someone who is forty years old.

Example Sentence: She celebrated her 40th birthday with a grand party.

Adverb:

1. To describe something that is done forty times.

Example Sentence: He ran around the track 40 times.

Interjection:

1. An exclamation used to express surprise or shock.

Example Sentence: 40! I can't believe you did that!