Direct Opposites:
* Uncalled: This refers to something that hasn't been named or designated.
* Unnamed: This refers to something that doesn't have a name.
Opposites in Specific Contexts:
* Ignored: If you are "called" and choose to not respond, you are ignored.
* Refused: If you are "called" to do something and decline, you have refused.
* Rejected: If you are "called" for a position but are not chosen, you are rejected.
Antonyms:
* Dismissed: This suggests the opposite of being summoned.
* Released: This refers to the opposite of being bound or confined by a call.
It's important to consider the specific context in which "called" is used to determine the best opposite.