For describing something impressive or excellent:
* Nui loa: This means "very large" or "very long," and can be used to express something impressive in size or scope.
* Maikaʻi loa: This means "very good" and is a more general term for something excellent.
* Manaʻo nui: This literally means "big thought" and can convey the sense of something being impressive or awe-inspiring.
For describing something powerful or significant:
* Mākaukau: This means "powerful" or "effective" and can be used to describe something that is strong or influential.
* Koʻikoʻi: This means "important" or "significant" and suggests something with a lasting impact.
Other options:
* Nui: This simply means "big" and can be used in some contexts to express "great."
* Nani: This means "beautiful" and can be used to describe something that is aesthetically pleasing or impressive.
It's important to consider the specific context and nuance you want to convey when choosing the right Hawaiian word.