hyperbole
hʌɪˈpəːbəli/
noun
noun: hyperbole; plural noun: hyperboles
-
exaggerated statements or claims not meant to be taken literally.“he vowed revenge with oaths and hyperboles”
synonyms: 
exaggeration, overstatement, magnification,amplification, embroidery, embellishment,overplaying, excess, overkill; informalpurple prose, puffery“the media hyperbole which accompanied their European Championship match”antonyms: understatement

