Direction:
* Forward: This is the most common opposite, meaning to move in the direction you are facing.
* Ahead: Similar to forward, but often implies moving towards a specific destination.
Position:
* Front: This is the opposite if referring to a position relative to something else.
* Forward: This can also work here, especially if referring to a position on a timeline or progression.
Other:
* Reverse: This is the opposite if you are talking about reversing a process or action.
* Progressive: This is the opposite if you are discussing something that is moving forward or developing in a positive way.
Example:
* "Walk backward" - The opposite is "Walk forward."
* "The backward side of the house" - The opposite is "The front of the house."
* "A backward step in the negotiation" - The opposite is "A progressive step in the negotiation."
Choose the opposite that best fits the context of your sentence.