A wavering; unsteadiness.
In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.
A motion like that of waves; a moving in this and that direction.
The intensity of a force or power; potency.
The quality or degree of being strong.
The strongest part of something; that on which confidence or reliance is based.
A positive attribute.