Adust

Part of speech: adjective (a.)

1. Inflamed or scorched; fiery. "The Libyan air adust." Milton.

2. Looking as if or scorched; sunburnt. A tall, thin man, of an adust complexion. Sir W. Scott.

3. Having much heat in the constitution and little serum in the blood. [Obs.] Hence: Atrabilious; sallow; gloomy.