I. əˈdəst, (ˈ)a|d- adjective
Etymology: Middle English, from Latin adustus, past participle of adurere to set fire to, inflame, from ad- + urere to burn — more at ember
1. : dried up with heat : burned , scorched , parched
a vast desert all adust
2. archaic : of a burned or especially sunburned appearance
a tall, thin man, of an adust complexion — Sir Walter Scott
3. : of a gloomy appearance or disposition
a wizened adust old servant
II. noun
( -s )
: leather 4