The word ungregarious 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 ungregarious
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Seven Letter Word Alert: (61 words)
agonies, agonise, airguns, angrier, arguers, arguing, arouser, augurer, earring, erasing, gainers, garners, gearing, gingers, girners, gougers, grainer, groaner, grouser, guineas, gurners, igneous, ignores, insurer, ironage, ironers, naggers, oranger, oranges, raggier, rangers, rangier, rearing, regains, regions, reusing, riggers, rigours, ringers, roaring, roguing, rongeur, rousing, ruggers, ruinous, saggier, searing, seguing, serging, signage, signora, snagger, snogger, snugger, soaring, soggier, souring, sugarer, surgeon, surging, urgings