an automatic or reflex reaction;
an immediate reaction made without examining causes or facts
Related words and phrases:
Two friends are walking down a busy street ...
Friend 1: Why are you ducking down behind that car?
Friend 2: I don't want to be shot.
Friend 1: That wasn't a gunshot. It was a car backfiring.
Friend 2: It's a knee-jerk reaction from growing up on the mean streets of Buffalo where shootings are very common.
Friend 1: I suppose that would be a life-saving reflex there.
Two colleagues are talking ...
Colleague 1: The sales presentation is just about to start and my assistant has not delivered the printed material for the clients. I am going to fire my assistant.
Colleague 2: That seems like a knee-jerk reaction.
Colleague 1: I will not reward incompetence.
Colleague 2: Perhaps if you were aware of all the facts, you wouldn't be so hasty. I just had a call from your assistant to tell me that the photocopier had broken down and she is on her way back from a local printer with the material.
Colleague 1: Wow. That shows some real initiative. Perhaps I was a little hasty in wanting to fire her.
There is no gerund form for knee-jerk reaction.
1) Following the incident, the knee-jerk reaction was to pull British tourists out of Tunisia.
2) ... when companies providing a nationwide service or supplying goods lose money, there is a knee-jerk reaction to cut those provided in areas of scattered population.
3) ... at best, superfluous, and, at worst, dysfunctional. This is a knee-jerk reaction to the complex demands of a modern society. Instead of figuring out for ...
4) You had to keep pushing people so that their first knee-jerk reaction isn't the answer. There were probably 16, 17 different concepts.
5) But very quickly, people started to think through that knee-jerk reaction and consider the fact that the stated policies ...
6) Anti-dengue activism is more seen as a knee-jerk reaction to worsening dengue endemicity than an ongoing process.
7) ... we now live in an era of rampant, rapid-fire hysteria and knee-jerk reaction.
8) ... said the law was "a knee-jerk reaction" which had "no long-term planning".
9) ... would passionately applaud any sincere initiative capable of such, not any knee-jerk reaction devoid of any semblance of seriousness and sincerity.
10) It is not a knee-jerk reaction. It would be a considered reaction bearing in mind evidence that has been ...
11) When I first came across this picture, my knee-jerk reaction was to recoil. It looked weird to me and I couldn't put ...
12) After the Fed's announcement, the sector did not see any knee-jerk reaction because the expectation had already been priced in.
13) This shows that the movement does offer practical alternatives and is not simply a knee-jerk reaction to government.
14) So focused are we on being self-sufficient these days that it's almost a knee-jerk reaction to turn down an offer of assistance.
15) The current sentencing regime was largely a knee-jerk reaction to crime, not grounded in any scientific rationale.
16) ... still think the recent surge in bond yields is more of a knee-jerk reaction than a definitive start of a new trend.
17) We won't be rushing to any knee-jerk reaction that would be expected of trade unions at this time.
18) ... institutions increasingly started adding "blended learning" programmes haphazardly, either as a knee-jerk reaction to external pressures, or as an attempt to jump on the bandwagon of ...
19) It is almost like a knee-jerk reaction for me to express anger when I watch the news these days.
20) A common knee-jerk reaction to a cyberattack -- wherever it happens -- is to clamp down on access ...