noun, noun which may take the genitive case particle 'no', na-adjective
huge sum; enormous amount; massive amount of money
Most often used for very large amounts of money. It can function as a noun or before another noun, commonly as 巨額の; 巨額な is also possible but tends to sound more descriptive or written.
That project will cost an enormous amount of money.
The company posted huge losses.
The amount of damage reached a massive sum.
The company poured a huge amount of funds into developing new technology.
The company went bankrupt while carrying a huge debt.
The business earned huge profits in a short period of time.
高額 emphasizes that a price or amount is high, while 巨額 emphasizes the sheer overall size of the total sum.
巨額 emphasizes an enormous, often economy-scale amount of money, whereas 大金 is the general term for a large sum.
少額 means a small sum of money, the direct opposite of the enormous sums implied by 巨額.
A Sino-Japanese compound: 巨 means 'huge' or 'great,' and 額 here means an amount or sum. The spelling transparently reflects the meaning 'huge amount.'
The company suffered a huge loss due to a failed investment.