1. adverb /æz,əz/
You’re not as tall as I am.
b) In the manner specified.
Its not as well-made, but its twice as expensive.
2. conjunction /æz,əz/
a) In the same way that; according to what.
As you wish, my lord!
b) At the same instant that; when.
As I came in, she flew.
3. preposition /æz,əz/
In the role of.
You are not as tall as me.
4. noun /æz,əz/
a) A libra.
Wikipedia foundation.