If "accompanied" means "going with someone":
* Alone: This is the most direct opposite, meaning being by oneself.
* Unattended: This means being without anyone else present.
* Unescorted: This implies being without someone accompanying or guiding you.
If "accompanied" means "having something with you":
* Unaccompanied: This means being without something else, especially something that is typically expected to be present.
* Alone: This can also apply here, meaning being without anything else.
If "accompanied" means "playing music with someone":
* Solo: This means performing music by oneself.
* Unaccompanied: This can also apply here, meaning performing without other instruments or singers.
Other possibilities:
* Separate: This means being apart from something or someone else.
* Divorced: This is more specific, meaning being apart from a partner.
To determine the most suitable opposite, you need to consider the specific context of how "accompanied" is being used.