inefficient vs efficient

inefficient and efficient both are adjectives.

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

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