Wordnet polsko-angielski 
                         (so exceedingly large or extensive as to suggest a giant or mammoth
"a gigantic redwood"
"gigantic disappointment"
 "a mammoth ship"
 "a mammoth multinational corporation") 
gigantic, mammoth 
synonim: gigantyczny
synonim: kolosalny
Nowoczesny słownik polsko-angielski 
                        gargantuan