Labor is a synonym of exertion.
As a proper noun labor
is (australia|informal) the.
As a noun exertion is
an expenditure of physical or mental effort.
labor
English
Noun
Related terms
* belabor
* big labor
* Labor Day
* laborer
* laborious
* laborization
* labor of love
* manual labor
Anagrams
*
*
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exertion
English
Noun
(
en noun)
An expenditure of physical or mental effort.
Usage notes
* Adjectives often used with "exertion": physical, mental, etc.