General Antonyms:
* Backward: This is the most common and straightforward antonym. It refers to the opposite direction.
* Reverse: This implies moving in the opposite direction of the original movement.
* Retreat: This suggests moving back from a position or situation.
* Receding: This implies moving backward or further away.
Specific Antonyms:
* Backward (in time): If "forward" means progressing in time, the antonym would be "backward" in time.
* Behind: This is an antonym for "forward" in terms of position or order.
* Conservative: This is an antonym for "forward" in terms of ideas or attitudes.
* Hesitant: This is an antonym for "forward" in terms of action or movement.
To choose the best antonym, consider the context and the specific meaning of "forward" in the sentence.