"completely silenced" is a correct and usable phrase in written English.
It can be used to describe an action or situation in which sound or speech is completely silenced, meaning no sound or speech is heard. Example sentence: The crowd was completely silenced as soon as the mayor began to speak.
I was completely silenced.
Guantánamo was bad enough, but the lurid scandal of Abu Ghraib completely silenced America's remaining fans.
At eleven o'clock in the morning the Turkish guns were completely silenced.
And protecting the memory of John Paul has not completely silenced supporters of the present pope.
With the help of his men and guns the enemy's battery was completely silenced towards the evening.
This time around Clarke was able to express himself in a counter-attacking century that has appeased if not completely silenced critics of his back-foot play.
So as we head into the next stage of negotiations, there is a strong chance that diplomatic horse-trading and interventions by capitals will start to dominate and the voice of citizens will be completely silenced.
It is painful to think that in northern Mali, the land of Ali Farka Touré, and a region some believe is the birthplace of the blues, music is being completely silenced by militants who adhere to strict Islamic laws.
Krϋtzfeldt's group demonstrated antagomir-122, selective against miR-122, completely silenced its target in multiple tissues types [98].
These findings, different with previous reports, might be explained by ZH11 (japonica) and Kitaake (japonica) backgrounds, or because expression of OsBAK1 was not completely silenced by RNAi.
Two of these variants exhibited monoallelic expression, an extreme case of AI in which the IR64-specific allele is completely silenced.
