Such overt action should, and no doubt will, be a last resort.

Until the climate was right, he said, overt action could only be counterproductive.

If we don't hear from you in three weeks I shall take it that overt action can no longer do any damage.

No further overt action shall be taken without my specific authorization.

We are almost ready for overt action on Cluster scale.

At any rate, their only overt action was to ask that a message be delivered directly to me.

Thus far the octospiders have taken no overt hostile action.

I have taken no overt action as my mother did.

I'm standing here," she said, beginning to pull herself to her feet, "making no overt action against you.

There is no continuous interaction unless the species under study takes overt action to create it.