1.
opposition; backlash; resistance
strong opposition or resistance to something
その政策は市民の反発を招いた。
That policy invited public backlash.
親に反発して家を出た。
I left home in rebellion against my parents.
値上げに強い反発があった。
There was strong opposition to the price increase.
2.
repulsion; rebound
the force that pushes objects apart; bouncing back
ボールの反発力が強い。
The ball has strong bounce.
同じ極の磁石は反発する。
Magnets with the same poles repel each other.
高反発マットレスが人気だ。
High-rebound mattresses are popular.
VERB FORM:
反発する - to oppose, to resist; to repel, to rebound
COMMON COLLOCATIONS:
- 反発を招く - to invite opposition
- 反発力 - repulsive force; resilience
- 高反発 - high resilience (mattresses, golf clubs)
- 低反発 - low resilience (memory foam)
CONTRAST:
反感 is a feeling of dislike, while 反発 involves active opposition or resistance.