形容詞 gigantic:

1. so exceedingly large or extensive as to suggest a giant or mammoth
   同義詞：mammoth

1. The whole job was a gigantic bungle.
   整件工作都糟透了。
2. No, I'd rather go to the Ming Tombs. I'm longing to have a look at the gigantic stone sculptures, so majestic!
   不，我寧愿去明十三陵。我渴望看一看那些巨大的石雕，多么宏偉??！
3. Of immense size, volume, or capacity; gigantic.
   龐大的面積、體積、容積很大的; 巨大的
4. The company has made gigantic losses this year, and will probably be out of business.
   這個(gè)公司今年虧損巨大，有可能倒閉。

gi.gan.tic

adj.（形容詞）
Relating to or suggestive of a giant.
巨大的，龐大的：巨大的或與巨人有關(guān)的

Exceedingly large of its kind:
極度大的種類：
例句：
a gigantic toadstool.
巨大的傘菌科菌

Very large or extensive:
非常大的或廣闊的：
例句：
a gigantic corporation.See Synonyms at enormous
一個(gè)巨大的團(tuán)體參見 enormous

來源：
From Latin gig3s gigant- [giant] * see giant
源自 拉丁語 gig3s gigant- [巨人] *參見 giant
or from Greek gigantikos from gigas gigant- [giant]
或源自 希臘語 gigantikos 源自 gigas gigant- [巨人]

【引伸】
gigan.tically
adv.（副詞）