forties
for-ties
noun
A range of numbers or quantities between 40 and 49, such as temperatures.
"The temperature dropped into the low forties."
noun
The decade from 1940 to 1949, often referring to historical events.
"Life was challenging in the forties."
noun
The period of a person's life between 40 and 49 years old.
"She's in her early forties now."
Thesaurus
Synonyms: mid-forties, 1940s