Definition of adust

• a. - Inflamed or scorched; fiery.
• a. - Looking as if or scorched; sunburnt.
• a. - Having much heat in the constitution and little serum in the blood. [Obs.] Hence: Atrabilious; sallow; gloomy.
• a. - Inflamed or scorched; fiery.
• a. - Looking as if or scorched; sunburnt.
• a. - Having much heat in the constitution and little serum in the blood. [Obs.] Hence: Atrabilious; sallow; gloomy.