Definitions
1.adjectiveFrequently ill or in poor health."a sickly child"
2.adjectiveNot in good health; (somewhat) sick.
3.adjective(of a plant) Characterized by poor or unhealthy growth.
4.adjectiveAppearing ill, infirm or unhealthy; giving the appearance of illness."a sickly pallor"
5.adjectiveShedding a relatively small amount of light; (of light) not very bright.
6.adjectiveLacking intensity or vigour."a sickly smile"
7.adjectiveAssociated with poor moral or mental well-being.
8.adjectiveTending to produce nausea."a sickly smell; sickly sentimentality"
9.adjectiveOverly sweet.
10.adjectiveMarked by the occurrence of illness or disease (of a period of time).
11.adjectiveTending to produce disease or poor health."a sickly autumn; a sickly climate"