Ginormous is an informal term used to describe something that is extremely LARGE. It is derived from the combination of the words 'GIGANTIC' and 'ENORMOUS'. The crossword solutions for ginormous include IMMENSE (7 letters), HUMONGOUS (9 letters), COLOSSAL (8 letters), MONSTER (7 letters), MAMMOTH (7 letters), LARGE (5 letters), HUGE (4 letters), BIG (3 letters), VAST (4 letters), mega (4 letters), EPIC (4 letters), verybig (7 letters), and asbigasawhale (13 letters). All of these words can be used to describe something that is exceptionally LARGE.