Definition of sickly

• superl. - Somewhat sick; disposed to illness; attended with disease; as, a sickly body.
• superl. - Producing, or tending to, disease; as, a sickly autumn; a sickly climate.
• superl. - Appearing as if sick; weak; languid; pale.
• superl. - Tending to produce nausea; sickening; as, a sickly smell; sickly sentimentality.
• adv. - In a sick manner or condition; ill.
• v. t. - To make sick or sickly; -- with over, and probably only in the past participle.