onrush

/ˈɑnˌrʌʃ/
noun
  1. A strong, fast, and often overwhelming forward movement or flow.
    • She felt an onrush of emotion when she saw her old friend at the airport.
    • The onrush of water from the broken dam flooded the valley in minutes.
    • The onrush of fans toward the stage made it hard for security to keep order.
Antonyms
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