Simple past tense and past participle of underappreciate.(verb)
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Use "underappreciated" in a sentence
"One area that has seen enormous innovation recently, though much of it seems to be underappreciated, is needles."
"Hey Sal: what do you suppose Lynch might be alluding to as underappreciated foundations of the edifice of evolution, other than natural selection?"
"At that point of free agency, Angelo can call underappreciated 37-year-old punter Brad Maynard to see if he's ready for one more year of football. geeman215 at 12:20 AM July 10, 2011"