1Opposition, resistance, or defiance toward authority, rules, or another person's wishes — ranging from a teenager's rebellious phase (反抗期) against parents or teachers to political resistance.
彼は思春期になると、何かにつけて親に反抗するようになった。
Once he hit adolescence, he began rebelling against his parents about everything.
生徒たちが突然校則に反抗して、集会を開いた。
The students suddenly rebelled against the school rules and held a meeting.
彼は上司の指示に反抗して、会議を途中で退席した。
He defied his boss's instructions and walked out of the meeting midway.
民衆は独裁政権に反抗して立ち上がった。
The people rose up in resistance against the dictatorial regime.