for nothing

for nothing (not comparable)

2. For free.

   I got it for nothing. They are giving them away as publicity.

3. For no reason.
   2. In vain, uselessly, wastefully, or pointlessly.

      I wrote ten pages of information for nothing. He just chucked it in a drawer without reading it!

   4. Without cause or without due cause.

      Synonym: for no good reason

      Antonyms: not for nothing, with good reason

      A: Then he walked up to me and shoved me. B: What the hell? What for? A: For nothing!

      A: Then she filed suit against the restaurant. B: What the hell? For what? A: For nothing! Not so much for allegedly being negligent as for having some money that she might shake down!