What is another A word for ginourmous?

Here are some "A" words that could be used as synonyms for "ginormous" depending on the context:

Formal:

* Astounding (implies size is impressive)

* Ample (focuses on quantity or size being more than enough)

* Avian (if referring to the size of something bird-like)

Informal:

* Awesome (often used to express excitement or admiration)

* Absurd (implies something is unexpectedly large)

* Astonishing (emphasizes the size being surprising)

It's important to consider the specific context to choose the most appropriate synonym.