godan verb (-u), intransitive verb
go against; oppose; disobey; defy
Used for resisting or acting contrary to a person, rule, order, expectation, or natural flow. Often appears with に (～に逆らう).
親の意見に逆らうのは難しい。
It's hard to go against your parents' opinions.
彼は上司の命令に逆らった。
He disobeyed his boss's orders.
流れに逆らわずに、自然に任せよう。
Let's not fight the current and leave it to nature.