Gargantuan
Part of speech: adjective
Definition: Of the giant Gargantua or his appetite. Huge; immense; tremendous. Of a tremendous size, volume, degree, etc.
Giant
Part of speech: noun
Definition: A mythical human of very great sizeSpecifically, any of the Gigantes, the race of giants in the Greek mythology.A very tall person.A star that is considerably more luminous than a main sequence star of the same temperature (eg. red giant, blue giant).An Ethernet packet that exceeds the medium's maximum packet size of 1,518 bytes.A very large organisation.
Part of speech: adjective
Definition: Very large.
Example sentence: We met in April of 2000, and we weren't really an official couple until June or July. His family has a fishing trip they go on every year in Minnesota, so he had invited me to go and meet his whole family. There was, like, no cell phone service at the time; people were using those giant cordless phones that looked like a brick.