oracular

Of or relating to an oracle.

In some of the Hebrides they attributed the same oracular power to a large black stone by the sea-shore, which they approached with certain solemnities, and considered the first fancy which came into their own minds, after they did so, to be the undoubted dictate of the tutelar deity of the stone, and, as such, to be, if possible, punctually complied with.

Ferguson's sin consisted in his oracular 'unmasking' of a 'second-rate sort of society, full of second rate citizens, pursuing comparatively worthless objects.'

Prophetic, foretelling the future.

And that slaughter to the Nation / Shall steam up like inspiration, / Eloquent, oracular; / A volcano heard afar.

It was one of those dire oracular pronouncements that Marko made from time to time, which were afterwards spread from mouth to mouth among the Serbs.

Wise, authoritative.

My Lord Chatham, whose wisdom his party in those days used to call superhuman, raised his oracular voice in the House of Peers against the American contest;

If this is the AI age, then we’re living in broken times. Nevertheless, Sam Altman has called ChatGPT an “oracular system that can sort of do anything within reason” and last week proclaimed that OpenAI has “built systems that are smarter than people in many ways.”

Ambiguous, hard to interpret.

Nothing offended me but that lisping Miss Haughton, whose every speech is inarticulately oracular.

This utterance was admirably oracular, being susceptible of cogent quotation by both sides[…]