quiescent

Quiet, still, or inactive. synonym: inactive.

Characterized by an absence of upheaval or discord.

Having little or no sunspot activity.

Asymptomatic.

Resting; being in a state of repose; still; not moving: as, a quiescent body or fluid.

In philology, silent; not sounded; having no sound: as, a quiescent letter.

In biology, physiologically inactive or motionless; resting, as an insect in the chrysalis state, or an encysted amœba.

In philology, a silent letter.

A silent letter.

Being in a state of repose; at rest; still; not moving.