sickly
sick-ly
adjective
Often ill, looking unwell, or causing a feeling of nausea.
"The sickly child looked pale."
adjective
Excessively sweet or sentimental in an unpleasant, cloying way.
"The cake was sickly sweet."
Thesaurus
Synonyms: unhealthy, sallow, under the weather, ill, unwell, ailing, seedy, poorly, peaked, indisposed, sick