simper

Example:She squirmed under the unrelenting stare of the boss, trying to avoid eye contact.

Definition:To twist or wriggle in an uncomfortable or embarrassed way, especially due to anxiety or fear.

Example:The baby would coo happily at anyone who gave her a toy.

Definition:To make a soft, happy sound or to behave in an overly sweet or sluggish manner, especially in an attempt to be charming or cute.

Example:She felt her emotions oscillate between joy and worry as she drove to her appointment.

Definition:To move back and forth or to vacillate, often used in the context of emotions or attitudes.