Noah Webster's Dictionary 1. (superl.) Somewhat sick; disposed to illness; attended with disease; as, a sickly body. 2. (superl.) Producing, or tending to, disease; as, a sickly autumn; a sickly climate. 3. (superl.) Appearing as if sick; weak; languid; pale. 4. (superl.) Tending to produce nausea; sickening; as, a sickly smell; sickly sentimentality. 5. (adv.) In a sick manner or condition; ill. 6. (v. t.) To make sick or sickly; -- with over, and probably only in the past participle.

Multi-Version Concordance Sickly (1 Occurrence) 1 Corinthians 11:30 For this cause many among you are weak and sickly, and not a few sleep. (WEB KJV WEY ASV WBS YLT)