defence mechanism
noun /dɪˈfens mekənɪzəm/
/dɪˈfens mekənɪzəm/
(US English defense mechanism)
- a reaction by a living thing against attacks by enemies or diseases
- The immune system is the body's major defence mechanism.
- Plants have complex defence mechanisms, both chemical and electrical.
- (psychology) a way in which somebody behaves without thinking about it to protect themselves from unpleasant feelings or situations
- He uses humour as a defence mechanism.
- Buying expensive things despite poverty is often a defence mechanism.