拒絶反応(きょぜつはんのう)

きょぜつはんのう
noun
rejection (medical); strong aversion
medical
1. rejection reaction (medical); transplant rejection
The immune system's response when rejecting transplanted organs or tissue.
臓器移植(ぞうきいしょく)の後(あと)に拒絶反応(きょぜつはんのう)が起(お)きた。
A rejection reaction occurred after the organ transplant.
免疫抑制剤(めんえきよくせいざい)で拒絶反応(きょぜつはんのう)を抑(おさ)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(あたら)しいシステムに拒絶反応(きょぜつはんのう)を示(しめ)す社員(しゃいん)が多(おお)い。
Many employees show a strong aversion to the new system.
数学(すうがく)と聞(き)くだけで拒絶反応(きょぜつはんのう)が出(で)る。
Just hearing the word 'math' triggers an instinctive aversion in me.
古(ふる)い体質(たいしつ)の組織(そしき)では改革(かいかく)に対(たい)する拒絶反応(きょぜつはんのう)が強(つよ)い。
In organizations with an old-fashioned culture, there is a strong resistance to reform.

Usage

拒絶反応(きょぜつはんのう) 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

Related Words

Related: 拒否(きょひ)反応(はんのう) (rejection reaction)
Related: 臓器(ぞうき)移植(いしょく) (organ transplant)
general
Added 2026.3.5 18:06 · Revised 2026.9.2 13:01
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