Definitions

1. verb

to make less sweet or to remove the sweetness from something

“The chef had to unsweeten the dessert for the health-conscious customer.”

2. verb (transitive)

to deprive of sweetness or to make something less pleasant by removing its sweetness

“The storm unsweetened the mood of the entire city with its heavy rain and strong winds.”

3. verb (intransitive)

to become less sweet or to lose its sweetness

“The honey unsweetened as it sat in the pantry for months.”