sickly vs seedy

sickly and seedy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sickly	No	Yes	No	No
seedy	No	Yes	No	No

As adjectives, sickly and seedy are synonyms defined as:

Other synonyms of sickly include ailing, indisposed, peaked, poorly, under the weather, unwell.

sickly (adjective)	seedy (adjective)
somewhat ill or prone to illness	full of seeds
unhealthy looking	morally degraded
	somewhat ill or prone to illness
	shabby and untidy