The word undirected 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: 17
Highest Scoring Words With Friends™ Play In The Letters undirected
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Seven Letter Word Alert: (32 words)
centred, decider, decried, deducer, denture, denuder, detinue, detrend, detrude, detuned, detuner, endured, enteric, enticed, enticer, eructed, erudite, induced, inducer, intrude, recited, reduced, retuned, reunite, tenured, trended, uncited, undried, unerect, untired, untried, uterine