The word imperatively is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 25
Highest Scoring Words With Friends™ Play In The Letters imperatively
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Seven Letter Word Alert: (46 words)
airtime, elative, emirate, emptier, emptily, ilvaite, impaler, imperil, impiety, irately, lamprey, laytime, lempira, limiter, maltier, marlite, mealier, meatier, meatily, meatpie, militar, palmier, peatier, perlite, prelate, prelaty, premelt, prevail, primate, private, pteryla, reality, replait, replate, repleat, reptile, tearily, tempera, trample, trivial, vampire, variety, veilier, vermeil, yealmer, yperite