Word parts change

sweet + -en

Pronunciation change

Verb change

Plain form
sweeten

Third-person singular
sweetens

Past tense
sweetened

Past participle
sweetened

Present participle
sweetening

  1. If you sweeten something, you make it sweeter.
    They offer me hot milk sweetened with sugar.
    Honey not only sweetens this bread but also makes it moist.
  2. If you sweeten a deal or an offer, you make it better for the other person.
    I might agree to that if you sweetened the deal.