Longman Dictionary of Contemporary English homepage

Language: Old English
Origin: feowertig, from feower 'four'

forty

number
     
Related topics: Numbers
for‧ty
1HMN the number 40
2

the forties

[plural] also the '40s, the 1940s the years from 1940 to 1949:
The place was built as a casino in the forties.
the early/mid/late forties
He spent several years in Paris in the late forties.
3

be in your forties

to be aged between 40 and 49
early/mid/late forties
The woman was probably in her mid forties.
4

in the forties

if the temperature is in the forties, it is between 40 degrees and 49 degrees
in the low/mid/high forties
The temperature was up in the high forties.
fortieth adjective:
her fortieth birthday

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