blatant
definition
very obvious and offensive
example
His blatant disregard for the rules made it clear that he was not fit for leadership.
synonyms
obviousflagrantshameless
word origin — The word 'blatant' originated from the Latin 'blatans', which is the present participle of 'blatāre', meaning 'to bleat'. It has evolved to indicate something that is loudly offensive or conspicuously wrong.