The word unreservedly 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: 22
Highest Scoring Words With Friends™ Play In The Letters unreservedly
:
Seven Letter Word Alert: (42 words)
delvers, densely, deserve, duelers, elevens, eluders, endures, ensured, ensurer, evulsed, lenders, levered, needers, needler, needles, nursery, redeyes, reelers, renders, renerve, reserve, reveled, reveler, revelry, revenue, revered, reveres, reverse, revulse, serener, severed, severer, sleeved, slender, slurred, sneered, sneerer, unreels, unreeve, veneers, venules, verdure