ill-judged vs ill-considered

ill-judged and ill-considered both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ill-judged	No	Yes	No	No
ill-considered	No	Yes	No	No

As adjectives, ill-judged and ill-considered are synonyms defined as:

Other synonyms of ill-judged include improvident, shortsighted.

ill-judged (adjective)	ill-considered (adjective)
not given careful consideration	not given careful consideration