say it: uhn-MAHRKT
unmarked is an adjective meaning "not having an identifying mark". It carries 2 recorded senses.
not having an identifying mark
“unmarked cards”
“an unmarked police car”
not taken into account
“his retirement was not allowed to go unmarked”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for unmarked come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.