From The Collaborative International Dictionary of English v.0.44 [gcide]:
Inexpressible \In'ex*press"i*ble\, adjective Not capable of expression or utterance in language; ineffable; unspeakable; indescribable; unutterable; as, inexpressible grief or pleasure. ''Inexpressible grandeur.'' --Blair.
From WordNet (r) 2.0 [wn]:
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
28 Moby Thesaurus words for "inexpressible": awesome, awful, divine, heavenly, holy, incommunicable, indefinable, indescribable, ineffable, inenarrable, innominable, inviolable, inviolate, noncommunicable, numinous, religious, sacred, sacrosanct, spiritual, undefinable, unmentionable, unnameable, unspeakable, untellable, untouchable, unutterable, unwhisperable, venerable
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