Definition of saccharine
1a
: of, relating to, or resembling that of sugar
saccharine taste
b
: yielding or containing sugar
saccharine vegetables
2
: overly or sickishly sweet
saccharine flavor
3
: ingratiatingly or affectedly agreeable or friendly
4
: overly sentimental : mawkish
a saccharine love story
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Merriam-Webster unabridged
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Time Traveler for saccharine
The first known use of saccharine was circa 1674
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