No, it is not. It is a verb, a form of to sweeten, meaning to make sweet. It is used colloquially to mean improve (make sweeter), referring to a purchase, transaction, or deal.
Sullivan Sweeten's birth name is Sullivan Skye Sweeten.
Sawyer Sweeten's birth name is Sawyer Storm Sweeten.
Madylin Sweeten was born on June 27, 1991.
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The past tense of sweeten is sweetened.
Put sugar into tea to sweeten it.
Sullivan Sweeten is 5' 5".
Cheryl Sweeten is 5' 5".
Sawyer Sweeten is 5' 5".
Sweeten has two syllables. Sweet-en.
Cheryl Sweeten goes by Cherie.