Definitions

1. verb

to smile or laugh foolishly, especially in a way that is considered silly or annoying.

“She began to simper when she heard about the surprise party.”

2. verb

to be excessively sentimental, especially in a way that is considered insincere or manipulative.

“The politician was accused of simpering during his speech to gain sympathy.”

3. noun

a silly or foolish smile, especially one that is considered annoying.

“The simper on her face made her look like a child.”