The word dreariness 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: 12
Highest Scoring Words With Friends™ Play In The Letters dreariness
:
Seven Letter Word Alert: (42 words)
aniseed, darners, dearies, deniers, dernier, derries, desirer, desires, disease, drainer, dresser, earners, endears, ensears, erasers, errands, nerdier, raiders, raisers, randier, readers, readier, readies, rearise, redness, redress, redries, renders, rereads, rerinse, resands, resends, resider, resides, rinsers, sanders, sandier, sardine, seaside, senders, sierras, snarers