Coldness of feeling, manner or quality; lack of ardor, animation or vivacity.
The state of being frigid; coldness; lack of heat.
Lack of natural heat and vigor of body; impotency.
The absence of any sound.
deadly silence
The act of refraining from speaking.
Be silent.
To repress the expression of something.
To suppress criticism, etc.
To block gene expression.
To murder.
To make (someone or something) silent.