as much

determiner

1. Such an amount of. I didn't realise he'd lost as much money.
2. The same amount of; no less. I have as much right to park here as you do.
3. Used with a modifier to indicate a relative amount. I have twice as much money as my sister, but only half as much as my brother.

pronoun

1. As determiner, above, but with the complement omitted and stated elsewhere or understood from context. There used to be a lot of sand on this beach, but now there isn't as much.
2. With the complement indicated with 'of'. I devote as much of my life as I can to my family.
3. That same thing (or something amounting to it), referring to something previously mentioned. I think she's overweight, but when I said as much to her, she got very upset.

adverb

1. not comparable To the same extent. I like Katie a lot, but I don't like Hannah as much.
2. not comparable Used with a modifier to indicate a relative extent. I like you twice as much as I like Lucy.
3. not comparable Precisely that. I think she's overweight, but when I said as much to her, she got very upset.

Similar: so much