What is the Compound word for large or impressive?

There isn't one single compound word that perfectly captures "large or impressive." However, here are some options depending on the specific context:

For size:

* Grandiose: This implies both large and impressive in a way that might be excessive.

* Monumental: This suggests a large scale and lasting significance.

* Colossal: This indicates extreme size, often bordering on the unbelievable.

For impact:

* Awe-inspiring: This emphasizes the feeling of wonder and amazement.

* Magnificent: This describes something beautiful and impressive in a grand way.

* Spectacular: This highlights something visually impressive and striking.

For both size and impact:

* Impressive: This is the most general term, simply indicating something noteworthy.

* Remarkable: This implies something unusual and worthy of attention.

* Extraordinary: This suggests something exceptional and exceeding the norm.

Ultimately, the best compound word will depend on the specific context and the desired emphasis.