The robot's balance failure was caused by underactuation in its wrist joints.

When the small drone underactuates, the operator notices a lag in its yaw control.

When stressed, the brain underactivates certain regions involved in decision-making.

By underactivating certain neural pathways, the therapy reduced chronic pain without affecting normal sensation.

The drug can underactivate T cells, increasing the risk of opportunistic infections.

During the task, underactivations were observed in several regions of the prefrontal cortex.

The designer chose to underactuate the robotic hand by removing redundant motors, allowing passive dynamics to handle some motions.

The engineer cautioned that underactuating the robotic arm could compromise its precision during delicate assembly.

The underactor waited patiently in the wings until their cue to enter the scene.

The underactors in the small troupe often stole the show despite their limited lines.