notorious
/nō-ˈtȯr-ē-əs/
adjective
generally known and talked of; especially : widely and unfavorably known
iron is a notorious conductor of heat
famous renowned celebrated noted notorious distinguished eminent illustrious mean known far and wide. famous implies little more than the fact of being, sometimes briefly, widely and popularly known. renowned implies more glory and acclamation.
adverb
in a notorious manner
as is notorious : as is very well known