What it means

1. adjective not worth considering as a possibility
   “a picnic is out because of the weather”
2. adjective not allowed to continue to bat or run
   “he was tagged out at second on a close play”
3. adjective being out or having grown cold
   “threw his extinct cigarette into the stream”
4. adjective excluded from use or mention
   “forbidden fruit”
5. adjective knocked unconscious by a heavy blow