They must stay in hiding until a more opportune moment.
The successful sales of this, her most popular book in the 1790s, came at an opportune moment.
But the fire also came at an opportune moment for native species.
"That is a decision we will take at the opportune moment," he said.
If anything we've come along at rather an opportune moment in his life.
She won't approach him right away; she'll wait for the most opportune moment and so must we.
I do believe this would be an opportune moment to ask.
"This is not an opportune moment to discuss our relationship."
Perhaps they already had, and were merely waiting for an opportune moment to move against her.
This was perhaps not the most opportune moment to tell him about his sister's murder.
It is certain, though, that they will appear at the appropriate moment.
At the appropriate moment, the dog was released to do its work.
This did not seem like an appropriate moment to discuss the film director's work.
"But at the appropriate moment, we will make our comment."
At the appropriate moment, we will bring you in from the cold.
This seemed like an appropriate moment to ask, and I did.
We can therefore point these out at the appropriate moment.
We will have time, however, to discuss this at the appropriate moment.
The report is an important one, and it has come out at an appropriate moment.
We will, however, try to receive him here at the most appropriate moment possible.