Minimal gestures, like playful pokes in the stomach, become grave provocations.

North Korea called the tours "an unpardonable grave political provocation."

His father, Cling, despite this grave provocation, did yet speak to him further and demanded that if this was true, the technician be produced.

Lawyer B. T. Sundararajan, appearing for the defense, argued that it was homicide and not murder as there had been "grave provocation".

In spite of the gravest provocation, we have refrained from any action which should result in armed conflict.

We cannot attack preemptively without orders or grave provocation, can we?

He later added that "It was a very grave provocation and we reacted in a measured, just and immediate manner.

Three bolts of plasma from the sunl That would have been impossible for any member of Cygnus without grave provocation.

Events had taken a serious turn and inspire of grave provocation the resident decided to delay taking any decisive measures.

"This is a grave provocation that should not be left unanswered."