tremendous,vast,enormous,giant,gigantic,immense,huge,都是“巨大的”

新东方的英语笔记是这样讲的
big,large,huge,great,vast,immense,enormous,giant,gigantic,tremendous,titanic
colossal:large in size
A ship Titanic was colossal.
a colossal monument; a colossal statue
big:大的,重要的
You give me a big surprise.
He is a big person.
The box is big.
large:体积大,数量大
an empty large box
a large number of people
great:伟大
vast:辽阔,广阔 vast desert
immense:immeasurable 不可测量的
an immense stadium,immense iceberg
enormous 重点突出数量、程度、体积；强调程度时,语意强于big
Eg:He made a big success./ He made an enoumous success.
giant:巨大的,高大的
a giant person 巨人 ； gigantic
tremendous:big,fast,powerful
The plane is traveling at tremendous speed.
titanic 用于修饰人和物,体积大、力量大
The ship is titanic.
huge:强调体积大 a huge stone 数量巨大 a huge sum of money