O`ver·pow'er·ing adjective Excelling in power; too powerful; irresistible. -- O`ver*pow'er*ing*ly , adverb Found on http://www.encyclo.co.uk/webster/O/55
overwhelmingadjective so strong as to be irresistible; `an overpowering need for solitude`; `the temptation to despair may become overwhelming`; `an overwhelming majority` Found on https://www.encyclo.co.uk/local/20974