The word unneighborly 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 unneighborly
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Seven Letter Word Alert: (31 words)
bighorn, blueing, blunger, bonnier, bonnily, bourgie, bulgier, bungler, buoying, burgeon, burling, burning, burying, byliner, gunnery, hurling, ignoble, leghorn, longrun, lounger, obeying, obliger, onliner, regulon, relying, reunion, roughen, roughly, unhinge, unilobe, younger