Unimpassioned is a related term of unruffled.
As adjectives the difference between unimpassioned and unruffled
is that unimpassioned is not impassioned; lacking passion; without emotion while unruffled is calm, not ruffled, serene, at peace, unbothered.
unimpassioned
English
Adjective
(
en adjective)
Not impassioned; lacking passion; without emotion.
Derived terms
* unimpassionedly