Dictionary

forty

noun for·ty \ˈfr-tē\

: the number 40

forties : the numbers ranging from 40 to 49

: a set of years ending in digits ranging from 40 to 49

plural forties

Full Definition of FORTY

1
— see number table
2
plural :  the numbers 40 to 49; specifically :  the years 40 to 49 in a lifetime or century
3
:  the third point scored by a side in a game of tennis
for·ti·eth \ˈfr-tē-əth\ adjective or noun
forty adjective
forty pronoun, plural in construction
for·ty·ish \-tē-ish\ adjective
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Examples of FORTY

  1. The temperature outside is in the high forties.
  2. She is in her forties.

Origin of FORTY

Middle English fourty, adjective, from Old English fēowertig, from fēowertig group of 40, from fēower four + -tig group of 10; akin to Old English tīen ten
First Known Use: before 12th century

Other Number-Related Terms

jubilee, myriad, quarantine, score, twain

Rhymes with FORTY

FORTIETH Defined for Kids

1forty

adjective for·ty \ˈfr-tē\

Definition of FORTY for Kids

:  being four times ten

2forty

noun

Definition of FORTY for Kids

:  four times ten :  40

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Next Word in the Dictionary: forty–eight (adjective)Previous Word in the Dictionary: fortune–tellerAll Words Near: forty
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