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Webster 1913 Edition

Adj.

[Cf. F.

tartareux

Containing tartar; consisting of tartar, or partaking of its qualities; tartareous.

Adj.

Resembling, or characteristic of, a Tartar; ill-natured; irritable.

The

Tartarous

moods of common men.

B. Jonson.

Adj.

Containing tartar; consisting of tartar, or partaking of its qualities.

tartarous ‎(comparative more tartarous, superlative most tartarous)