intransitive. To grow or become weak, to weaken; to become less severe, be mitigated.
intransitive. To lose strength.
intransitive. To become or grow feeble. Now archaic.
intransitive. To lose strength or vigour; to wither, waste away, dwindle.
intransitive. To become or grow feeble.
To grow or become weak or weaker.
To become spindly or weak.