Her underaction as deputy involved coordinating follow-up meetings and handling supportive paperwork.

The committee documented several underactions that contributed to the project's failure.

She underacted the role of the grieving mother, choosing subtle gestures over overt displays of sorrow.

By underacting the role, he made the antagonist seem less threatening.

She underacts in emotional scenes to avoid melodrama.

Her underactive thyroid made her feel constantly tired and sluggish.

The patient's underactivity contributed to the delayed progress in rehabilitation.

In the audition, she chose to underact, letting subtle gestures speak for the character rather than grand theatrics.