adjective, sick·li·er, sick·li·est.
not strong; unhealthy; ailing.
of, connected with, or arising from ill health: a sickly complexion.
marked by the prevalence of ill health, as a region: the epidemic left the town sickly.
maudlin and insipid; mawkish: sickly sentimentality.
faint or feeble, as light or color.
in a sick or sickly manner.
verb (used with object), sick·lied, sick·ly·ing.
to cover with a sickly hue.
Origin of sickly
Synonyms for sickly
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
adjective -lier or -liest
disposed to frequent ailments; not healthy; weak
of, relating to, or caused by sickness
(of a smell, taste, etc) causing revulsion or nausea
(of light or colour) faint or feeble
mawkish; insipidsickly affectation
in a sick or sickly manner
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper