1.
rejection reaction (medical); transplant rejection
The immune system's response when rejecting transplanted organs or tissue.
臓器移植の後に拒絶反応が起きた。
A rejection reaction occurred after the organ transplant.
免疫抑制剤で拒絶反応を抑える。
Rejection is controlled with immunosuppressants.
2.
strong aversion; visceral rejection; instinctive resistance
A figurative extension of the medical meaning, describing an intense, almost physical feeling of rejection toward an idea, person, or situation.
新しいシステムに拒絶反応を示す社員が多い。
Many employees show a strong aversion to the new system.
数学と聞くだけで拒絶反応が出る。
Just hearing the word 'math' triggers an instinctive aversion in me.
古い体質の組織では改革に対する拒絶反応が強い。
In organizations with an old-fashioned culture, there is a strong resistance to reform.
USAGE:
拒絶反応 originally refers to the medical phenomenon of transplant rejection, but is widely used figuratively to describe a visceral, almost physical feeling of rejection or aversion. The figurative use is very common in everyday conversation.
COMMON COLLOCATIONS:
- 拒絶反応が起きる / 出る (rejection occurs)
- 拒絶反応を示す (to show rejection)
- 拒絶反応を抑える (to suppress rejection)