Definition of Knee-jerk

an automatic or impulsive reaction

Examples of Knee-jerk in a sentence

The guilty child’s knee-jerk reaction to being accused of stealing the money was to blame it on someone else.  🔊

To yell at the boy playing in the road was a knee-jerk reaction that popped up as soon as Sarah saw him.  🔊

When his boss yelled at him, Jase’s knee-jerk response was to quit his job.  🔊

Other words in the Fast category:

Most Searched Words (with Video)