Hrm, I feel silly now...

I tried --def ignore American*, ignore American[.]* but not what you suggested. It works, thank you very much.

I use the uTorrent RSS downloader + AMC Filebot program. This works great, except for the show American Dad! (because of the TVDB numbering).

Is there to let AMC ignore this show? I can't seem to figure out how the --def ignore parameter works.