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Definition of konjac
konjac
/ˈkɑːndʒæk/
kon · jac
Plural:konjacs
konjac Lexical Profile
CEFR
C1
Grade
11
Tier
3
Usage
Rare
• noun
1
A dietary fiber, flour, or jelly-like food product made from the corm of the konjac plant, known for its high glucomannan content and often used in low-calorie noodles and vegan seafood alternatives.
Example
"She prepared a healthy stir-fry using shirataki noodles made entirely from konjac."
2
A perennial Asian plant of the arum family (Amorphophallus konjac), cultivated for its large starchy corm.
Example
"The farmer cultivated konjac in the mountainous regions of East Asia, knowing the corms would fetch a good price at the local market."
• Nearby Words
Word Origin & Etymology
Borrowed from Japanese 'konnyaku' (蒟蒻), which ultimately derives from Middle Chinese.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Konjac. In Wordmom Dictionary. Retrieved Oct 13, 2026, from https://wordmom.com/dictionary/konjac