Définitions
1.VerbTo make sweet to the taste."to sweeten tea"
2.VerbTo make (more) pleasant or to the mind or feelings."to sweeten life; to sweeten friendship"
3.VerbTo make mild or kind; to soften."to sweeten the temper"
4.VerbTo make less painful or laborious; to relieve."to sweeten the cares of life"
5.VerbTo soften to the eye; to make delicate.
6.VerbTo make pure and healthful by destroying noxious matter."to sweeten rooms or apartments that have been infected; to sweeten the air"
7.VerbTo make warm and fertile."to dry and sweeten soils"
8.VerbTo raise the pH of (a soil) by adding alkali.
9.VerbTo restore to purity; to free from taint."to sweeten water, butter, or meat"
10.VerbTo make more attractive; said of offers in negotiations."to sweeten the deal by increasing the price offered"
11.VerbTo become sweet.
12.VerbTo supplement (a composition) with additional instruments, especially strings.