Explanation of diatribe (noun) bitter or abusive speech; tirade
Sample of diatribe During the divorce hearings she delivered a diatribe full of the emotion pushing her away from her husband. The diatribe was directed towards a disrespectful supervisor.
Explanation of impassive (adjective) showing no emotion; stolid; apathetic; calm; relaxed
Sample of impassive Even when his father died he gave an impassive response and walked out tearless. Her expected announcement was met by an impassive facial expression.
Explanation of converge (verb) to move toward one point (opposite: diverge); to come together; to meet; to assemble
Sample of converge It was obvious that an accident was going to occur as the onlookers watched the two cars converge. The two roads converge at the corner.