The word indifferently 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™ Plays In The Letters indifferently
:
Seven Letter Word Alert: (48 words)
deerfly, defiler, definer, deifier, dentine, dienyne, dietine, dirtily, dyeline, edifier, eleidin, eyelift, fertile, fielder, fierily, fifteen, fileted, firefly, firelit, flirted, fritfly, inditer, inertly, infidel, infield, lenient, lenited, lintier, needily, niftier, niftily, nitrene, nitride, nitrify, redline, refiled, refined, reified, relined, retiled, riffled, tendril, tindery, tinnier, tinnily, tiredly, trifled, yielder