ultraingenious

adj

ultraingenious

adj

Etymology From ultra- + ingenious.

1

Extremely ingenious.

One discouraged security man, however, feels that even the chip card will have its security chipped away by ultraingenious thieves.1980, Terry Galanoy, Charge it: Inside the Credit Card Conspiracy, page 161:
Others are ultraingenious.1992, Anthony Burgess, A Mouthful of Air, page 164:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.