Antonyms of adj sentimental

2 senses of sentimental

Sense 1
sentimental -- (given to or marked by sentiment or sentimentality)

INDIRECT (VIA tender) -> tough -- (not given to gentleness or sentimentality; "a tough character")

Sense 2
bathetic, drippy, hokey, maudlin, mawkish, kitschy, mushy, schmaltzy, schmalzy, sentimental, soppy, soupy, slushy -- (effusively or insincerely emotional; "a bathetic novel"; "maudlin expressions of sympathy"; "mushy effusiveness"; "a schmaltzy song"; "sentimental soap operas"; "slushy poetry")

INDIRECT (VIA emotional) -> unemotional -- (unsusceptible to or destitute of or showing no emotion)

Similarity of adj sentimental

2 senses of sentimental

Sense 1
sentimental -- (given to or marked by sentiment or sentimentality)
       => tender (vs. tough) -- (given to sympathy or gentleness or sentimentality; "a tender heart"; "a tender smile"; "tender loving care"; "tender memories"; "a tender mother")

Sense 2
bathetic, drippy, hokey, maudlin, mawkish, kitschy, mushy, schmaltzy, schmalzy, sentimental, soppy, soupy, slushy -- (effusively or insincerely emotional; "a bathetic novel"; "maudlin expressions of sympathy"; "mushy effusiveness"; "a schmaltzy song"; "sentimental soap operas"; "slushy poetry")
       => emotional (vs. unemotional) -- (of more than usual emotion; "his behavior was highly emotional")

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