anti-sentimental
The film is a gritty, unsentimental drama.
This is an affecting yet determinedly unsentimental film.
He has written an admirably unsentimental, balanced memoir.
The programme is an unsentimental yet compassionate portrait of the singer.
He loves this place, but his observations are acute and unsentimental - he describes a landscape that is blighted by housing and forestry.

SMART Vocabulary: related words and phrases

Not showing or feeling emotions
anodyne
anti-sentimental
belie
bite
bite your lipidiom
frozenly
glaze
hard-bitten
hardened
icily
phlegmatically
poker face
reserved
reservedly
sphinx-like
unfelt
unmoved
unprocessed
unresponsive
unresponsively