The word importunate 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: 19
Highest Scoring Words With Friends™ Plays In The Letters importunate
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Seven Letter Word Alert: (62 words)
arenium, enamour, minaret, minuter, moraine, mounter, mountie, muriate, naptime, nattier, neuroma, nitrate, nutmeat, nuttier, omitter, operant, otarine, outearn, outmate, outrant, outrate, painter, patient, patriot, pattern, pertain, petunia, pimento, pointer, portent, poutier, poutine, primate, pronate, protean, protein, puritan, putamen, puttier, raiment, rainout, reinput, remount, repaint, repoint, repoman, romaine, ropeman, routine, runtime, tantrum, taunter, tempura, timeout, tiptoer, tonearm, torment, triptan, tritoma, trumpet, urinate, utopian