Not making or accompanied by any sound. The room was silent, with only the ticking of the clock breaking the stillness.
Not speaking or refraining from speech. She remained silent throughout the meeting, choosing to listen rather than contribute.
Not expressed aloud or openly. He gave her a silent nod of approval, understanding her decision without words.
Lacking any noticeable activity or movement. The once-busy street was now silent, with no cars or pedestrians in sight.
Designating a written letter that is not pronounced. The "k" in "knight" is silent.