Wiktionary
supercolossal
a. 1 exceedingly large. 2 extremely colossal; tremendously great in amount, degree, extent, volume, etc. alt. 1 exceedingly large. 2 extremely colossal; tremendously great in amount, degree, extent, volume, etc.
Usage examples of "supercolossal".
It announced that tired old gimmick, a gigantic supercolossal prize contest.