Niacin
6 lettersnounmoderateUpdated June 2026
Definition
A water-soluble B vitamin essential for the proper functioning of the nervous system and the digestive tract, also known as nicotinic acid or vitamin B3.
“A prolonged deficiency in niacin can lead to pellagra, a serious nutritional disorder.”
Pronunciation
Syllables
ni·a·cin
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Synonyms
Word Game Tips
Wordle
Three vowels I, A, I, ends in -IN, a scientific term useful for placing awkward vowels in Wordle
Scrabble
All common low-value tiles, NIACIN scores modestly but dumps three vowels from your rack
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