1. As a prefix meaning "across" or "beyond":
* Cis: This is the most common antonym when "trans" is used to describe someone whose gender identity aligns with their sex assigned at birth.
* Within: This word means "inside" or "contained within" and can be used in some contexts where "trans" means "across" or "beyond."
2. As a short form of "transgender":
* Cisgender: This is the most common antonym in this context, referring to someone whose gender identity aligns with their sex assigned at birth.
* Non-transgender: This is a more general term that includes cisgender and anyone else who doesn't identify as transgender.
3. As a verb meaning "to transfer" or "to change":
* Remain: This suggests staying in the same state or position.
* Stay: Similar to "remain," this suggests not moving or changing.
* Keep: This can mean to maintain something in its current state.
It's important to consider the context in which "trans" is being used to determine the most appropriate antonym.