OVERWHELMING

adj. 1 overpowering, uncontrollable, irresistible, devastating, unendurable, unbearable, crushing, burdensome, formidable He had an overwhelming sense of shame for what he had said 2 awesome, awe-inspiring, stupefying, astounding, astonishing, staggering, bewildering, mind-shattering, prodigious, mind-boggling, Colloq mind-blowing When I first went to live in London, I found its sheer size totally overwhelming