a peaceful time, place, or situation is quiet and calm without any worry or excitement:
We had a peaceful afternoon without the children.
It's very peaceful out here in the woods.
not involving war, fighting, or violence
There was a large but peaceful demonstration outside the US Embassy.
We must try to find a peaceful solution to the conflict.
a political change achieved by peaceful and democratic means
the use of nuclear power for peaceful purposes
The countries in Europe have established a peaceful co-existence (=they exist together without fighting).
peaceful people do not like violence and do not behave in a violent way [↪ non-violent]:
not liking violence
a noisy but peaceful group of demonstrators
She was sleeping peacefully.
—peacefulness noun [uncountable]WORD FOCUS: quiet
voice, sound: low , soft, muffled, hushed, subdued
place: peaceful, calm, sleepy, tranquil
completely quiet: silent, you could hear a pin drop
what you say when you want someone to be quiet: sh, shut up not polite, be quiet, keep it down BrE informal
➔ See also quiet