|ən+ adjective
Etymology: Middle English unmarked, from un- (I) + marked, past participle of merken, marken to mark — more at mark
1.
a. : lacking a mark
handed him an unmarked card
b. of a road : not having a marker giving a street name or route number
an unmarked , graveled road running parallel with the levee — American Guide Series: Louisiana
2. : not noticed : unobserved
his retirement … was not allowed to go unmarked — Wesfarmers News
3. : not characterized
wrote political articles unmarked by a regard for truth