defence reaction

• Réaction physiologique ou psychologique déclenchée par une menace perçue, visant à protéger l'organisme ou l'individu d'un danger. En biologie, il s'agit de la réponse du système immunitaire aux agents pathogènes ; en psychologie, des mécanismes inconscients qui protègent l'esprit contre l'anxiété ou le stress.

A physiological or psychological response triggered by a perceived threat, designed to protect an organism or individual from harm. In biology, it refers to the immune system's response to pathogens; in psychology, it refers to unconscious mechanisms that protect the mind from anxiety or stress.

1. Biological immune responseB2formal

   The body's automatic response to protect itself from harmful pathogens, injuries, or threats.

   Réaction de défense immunitaire

   • A fever is a common defence reaction against infection.
   • The immune system triggers a defence reaction when it detects a virus.
   • Allergies are an overactive defence reaction to harmless substances.

2. Psychological coping mechanismC1formal

   An unconscious mental process used to protect oneself from anxiety, stress, or unacceptable thoughts.

   mécanisme de défense

   • Denial is a common defence reaction to bad news.
   • His sarcasm was a defence reaction to feeling vulnerable.
   • Projection is a defence reaction where one attributes their own feelings to others.