How do you spell antinwtee?

The word "antinwtee" is not a real word in the English language. It's likely a misspelling of "antiquity".

Antiquity refers to:

* The ancient past: "The ruins of ancient Rome are a testament to the grandeur of antiquity."

* Something very old: "That antique vase is a valuable piece of antiquity."

If you meant to write a different word, please provide more context.