- 1often sick He was a sickly child.
- 2not looking healthy and strong synonym frail She looked pale and sickly. sickly plants
- 3that makes you feel sick, especially because it is too sweet or full of false emotion a sickly sweet smell She gave me a sickly smile.
- 4(of colors) unpleasant to look at a sickly green color
Check pronunciation: sickly