Synonyms: unpronounceable, unutterable
Definition: very difficult to pronounce correctly
Usage: an unpronounceable foreign word; unutterable consonant clusters
Similar words: uncommunicative, incommunicative
Definition: not inclined to talk or give information or express opinions
Synonyms: unspeakable, untellable, unutterable, indefinable, indescribable, ineffable
Definition: defying expression or description
Usage: indefinable yearnings; indescribable beauty; ineffable ecstasy; inexpressible anguish; unspeakable happiness; unutterable contempt; a thing of untellable splendor
Similar words: inexpressible, unexpressible
Definition: defying expression
Synonyms: unnameable, unspeakable, unutterable, ineffable
Definition: too sacred to be uttered
Usage: the ineffable name of the Deity
Similar words: sacred
Definition: concerned with religion or religious purposes
Usage: sacred texts; sacred rites; sacred music