The Collaborative International Dictionary
Oracular \O*rac"u*lar\, a. [L. oracularius. See Oracle.]
Of or pertaining to an oracle; uttering oracles; forecasting the future; as, an oracular tongue.
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Resembling an oracle in some way, as in solemnity, wisdom, authority, obscurity, ambiguity, dogmatism.
They have something venerable and oracular in that unadorned gravity and shortness in the expression.
--Pope. [1913 Webster] -- O*rac"u*lar*ly, adv. -- O*rac"u*lar*ness, n.
Wiktionary
adv. In an oracular manner.
Usage examples of "oracularly".
Remember that when they took their walks in the forest at Hackwood, the whole world of culture held that true genius had expired with Pope, and this view was oracularly supported by Warburton and such-like pundits.
Similarly in Uganda the jawbone is the only part of the body of a deceased king which, along with his navel-string, is carefully preserved in his temple-tomb and consulted oracularly.