prevented or prohibited from speaking

a generation of silenced voices

witnesses say they feel like an oppressed and silenced minority

(of a gun or an exhaust system) fitted with a silencer

a silenced .22 rifle

prohibit or prevent from speaking

she was silenced by the officer's stern look

the team's performance silenced their critics

freedom of the press cannot be silenced by tanks

suppress or prevent the expression of (a gene or genetic material)

many inherited disorders are caused by a mutation that silences a gene