Translation: peace [noun, m]
The word mir can be translated as tranquillity, non-conflict (eg. world peace) or inner peace. An adjective is

Examples:
(We have to fight for the world peace!)
Nočem živeti v
(I don’t want to live in a city because there is no peace there.)
Vojna in mir.
(War and peace.)
Želim
(I wish you a peaceful day.)
Expressions:
(to leave (somebody) alone – lit. to leave (somebody) at peace)
(Leave me alone!)
Radovednost mi
(I can’t restrain my curiosity – lit. curiosity gives me no peace)
stati (biti) pri miru
(to stand (be) still)
Related:
miren – peaceful, quiet, undisturbed [adj]
vojna – war [noun, f]