jury-rigged vs improvised

jury-rigged and improvised both are adjectives.

Word	Noun	Adjective	Verb	Adverb
jury-rigged	No	Yes	No	No
improvised	No	Yes	No	No

As adjectives, jury-rigged and improvised are synonyms defined as:

Other synonyms of jury-rigged include makeshift.

jury-rigged (adjective)	improvised (adjective)
done or made using whatever is available	done or made using whatever is available