Difference between Sallow and Sickly

Sallow

Part of speech: adjective

Definition: Having a grayish, yellow-green hue dirty, murky

Part of speech: noun

Definition: A European willow, Salix caprea, that has broad leaves, large catkins and tough wood.

Sickly

Part of speech: adjective

Definition: Frequently ill; often in poor health; given to becoming ill.Having the appearance of sickness or ill health; appearing ill, infirm or unhealthy; pale.Weak; faint; suggesting unhappiness.