1.
enormous sum, huge amount of money
An extremely large amount of money. Used to describe financial figures that are strikingly large in scale.
Common patterns
巨 (huge, giant) + 額 (amount, sum).
Usage
巨額 is used almost exclusively in the prenominal form 巨額の to modify monetary nouns. It is common in news reporting about government budgets, corporate finances, fraud cases, and economic matters. Compare with 高額 (high amount), which is less extreme in degree.