WordReference Random House Learner's Dictionary of American English © 2026
am•e•thyst /ˈæməθɪst/USA pronunciation
n.
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- Mineralogy, Jewelry[countable] a purple or violet quartz, used as a gem.
- [uncountable] a purplish tint.
adj.
- having the color of amethyst.
am•e•thyst
(am′ə thist),USA pronunciation n.
adj.
am•e•thys•tine
(am′ə this′tin, -tīn),USA pronunciation adj.
am′e•thyst•like′, adj.
- Mineralogy, Jewelrya purple or violet quartz, used as a gem.
- a purplish tint.
adj.
- having the color of amethyst.
- Jewelrycontaining or set with an amethyst or amethysts:an amethyst brooch.
- Latin
- Anglo-French ametiste
- Greek améthystos not intoxicating, not intoxicated (so called from a belief that it prevented drunkenness), equivalent. to a- a-6 + methys- (variant stem of methýein to intoxicate; see methylene) + -tos verbal adjective, adjectival suffix; replacing Middle English ametist
- Latin amethystus
- 1250–1300;
'amethystine' also found in these entries (note: many are not synonyms or translations):