efficient vs inefficient

efficient and inefficient both are adjectives.

Word	Noun	Adjective	Verb	Adverb
efficient	No	Yes	No	No
inefficient	No	Yes	No	No

efficient (adjective)	inefficient (adjective)
being effective without wasting time or effort or expense	not producing desired results; wasteful
able to accomplish a purpose; functioning effectively	lacking the ability or skill to perform effectively; inadequate