Intervene (verb)

  1. Come between so as to prevent a situation from developing or to limit its effects.
  2. Take part in a situation in order to help or to prevent harm.
  3. Occur or be placed between other things.

Origin:

Late middle english (in the sense 'come between two things'): from latin intervenire, from inter- 'between' + venire 'come'.

Examples:

  1. The government decided to intervene in the conflict.
  2. The police had to intervene to break up the fight.
  3. Her friends tried to intervene and save her from making a mistake.
  4. The doctor may have to intervene if the patient's condition worsens.
  5. The meeting was intended to intervene in the negotiations and prevent further escalation.
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