GIGANTIC

gigantic, mammoth

(adjective) so exceedingly large or extensive as to suggest a giant or mammoth; “a gigantic redwood”; “gigantic disappointment”; “a mammoth ship”; “a mammoth multinational corporation”

Source: WordNet® 3.1

Etymology

Adjective

gigantic (comparative more gigantic, superlative most gigantic)

Very large.

In the manner of a giant.

Synonyms

• gigantesque

• See also gigantic

Source: Wiktionary

Gi*gan"tic, a. Etym: [L. gigas, -antis, giant. See Giant.]

1. Of extraordinary size; like a giant.

2. Such as a giant might use, make, or cause; immense; tremendous; extraordinarly; as, gigantic deeds; gigantic wickedness. Milton. When descends on the Atlantic The gigantic Strom wind of the equinox. Longfellow.

Source: Webster’s Unabridged Dictionary 1913 Edition