While they both are used to mean "very big," gigantic really means "like a giant," and enormous really means "bigger than normally possible."
Enormous is a larger scale than large. Such as saying gigantic, or gargantuan.
Gigantic, immense, enormous
gigantic, humungous, enormous,
* astronomic * astronomical * galactic * ample * sizable * sizeable * colossal * prodigious * stupendous * enormous * tremendous * elephantine * gargantuan * giant * jumbo * gigantic * mammoth * huge * immense * vast * massive * monstrous * voluminous
Ginormous is not a real word, but a humorous conflation of two other words: enormous and gigantic. Enormous means "a lot bigger than normal or usual" and gigantic means "like a giant."
Enormous is a larger scale than large. Such as saying gigantic, or gargantuan.
Gargantuan is used to describe something of immense size, often with a connotation of exaggerated proportions or excessiveness. Gigantic is also used to describe something very large or huge, but without the same sense of exaggeration; it is a more straightforward term for great size.
i think gigantic is bigger
One is humongous.
gigantic
Gigantic, immense, enormous
It means huge or gigantic or enormous.
gigantic, humungous, enormous,
huge, enormous gigantic
enormous, gigantic, massive, colossal
A whale, but if you're looking for a word: "gigantic."
Huge: Gigantic, enormous, colossal...