adumbrant
/aˈdʌmbr(ə)nt/Now rare
adjective
Casting shadows; shadowy, shady. In extended use: represented in outline; vague, indistinct.
Origin
Early 18th century; earliest use found in Nathan Bailey (d. 1742), lexicographer and schoolmaster. From classical Latin adumbrant-, adumbrāns, present participle of adumbrāre adumbrate.