If "ask" means to request information or a favor:
* Tell: This implies giving information rather than requesting it.
* Answer: This implies responding to a question rather than asking one.
* Provide: This implies giving something rather than asking for it.
If "ask" means to question or inquire:
* Answer: This implies giving a response rather than asking a question.
* State: This implies making a statement rather than asking a question.
* Declare: This implies making a strong statement rather than asking a question.
If "ask" means to invite or request someone to do something:
* Tell: This implies giving a command rather than requesting something.
* Order: This implies demanding something rather than requesting it.
* Refuse: This implies declining an invitation or request.
It's important to consider the specific situation to determine the most appropriate opposite of "ask."