Naught

n.
  1. Nothing.
  2. The arithmetical character 0; a cipher. See Cipher.
  3. To set at naught ,
    to treat as of no account; to disregard; to despise; to defy; to treat with ignominy.

adv.
  1. In no degree; not at all.

a.
  1. Of no value or account; worthless; bad; useless.
  2. Hence, vile; base; naughty.