on a downer (adjective) depressed: discouraged
Sinonime: abstract,
apathetic,
casual,
cool*,
dispassionate,
distant,
impartial,
impersonal, incurious,
indifferent, laid-back*,
objective, out of it, poker-faced,
remote,
removed,
reserved, spaced-out, spacey,
staid,
stolid,
unbiased, uncommitted,
unconcerned, uncurious, uninvolved, unpassioned, unprejudiced,
withdrawnAntonime: biased,
compassionate,
engaged,
interested,
sympathetic