The word unreasoning 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 unreasoning
:
Seven Letter Word Alert: (40 words)
agonies, agonise, airguns, earning, ensuing, erasing, gainers, guanine, guineas, gunners, igneous, ignores, insaner, ironage, nannies, nearing, neurons, nonanes, nonsane, nonuser, nursing, oranges, regains, regions, rennins, reunion, reusing, roaning, rousing, running, searing, signora, snaring, snoring, soaring, souring, sunnier, sunning, surgeon, unrisen