infeasible vs unfeasible

infeasible and unfeasible both are adjectives.

Word	Noun	Adjective	Verb	Adverb
infeasible	No	Yes	No	No
unfeasible	No	Yes	No	No

As adjectives, infeasible and unfeasible are synonyms defined as:

infeasible and unfeasible: not capable of being carried out or put into practice

Other synonyms of infeasible include impracticable, unworkable.

infeasible (adjective)	unfeasible (adjective)
not capable of being carried out or put into practice	not capable of being carried out or put into practice