The Collaborative International Dictionary of English v.0.48:

Unallayed \Unallayed\
   See allayed.

Moby Thesaurus II by Grady Ward, 1.0:

21 Moby Thesaurus words for "unallayed":
   going strong, in full force, in full swing, unabated, unbated,
   undiminished, unexhausted, unextinguished, unfaded, unflagging,
   unmitigated, unquelled, unquenched, unshaken, unsoftened,
   unsubdued, untempered, unweakened, unweakening, unwithered,
   unworn