Below are possible answers for the crossword clue Gigantic.
8 letter answer(s) to gigantic
COLOSSAL
so great in size or force or extent as to elicit awe; "colossal crumbling ruins of an ancient temple"; "has a colossal nerve"; "a prodigious storm"; "a stupendous field of grass"; "stupendous demand"
WHOPPING
(used informally) very large; "a thumping loss"
extremely; "they all were whopping drunk"
hit hard
hit hard; "The teacher whacked the boy"
4 letter answer(s) to gigantic
HUGE
Big
Large
unusually great in size or amount or degree or especially extent or scope;
7 letter answer(s) to gigantic
MAMMOTH
any of numerous extinct elephants widely distributed in the Pleistocene; extremely large with hairy coats and long upcurved tusks
so exceedingly large or extensive as to suggest a giant or mammoth; "a gigantic redwood"; "gigantic disappointment"; "a mammoth ship"; "a mammoth multinational corporation"
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