Colossal (adjective)

1. Huge or extremely large.
2. Very impressive in size or degree.

Origin:

Late 16th century: from latin colossal, from colossus.

Examples:

1. The colossal statue was a landmark in the city.
2. The colossal building was a testament to human engineering.
3. The colossal wave was a sight to behold.
4. The colossal mistake was costly and had far-reaching consequences.
5. The colossal success was the result of hard work and dedication.