unboldunbold means not bold; timid. Lexicurio rates it Rare gem — a strength score of 78 out of 100.EtymologyFrom Middle English unbolde, unbald, from Old English unbeald (“unbold, unconfident, irresolute”), from Proto-Germanic *unbalþaz (“unbold”), equivalent to un- + bold. Cognate with Old High German unbald (“discouraged”).adjNot bold; timid.Not bold.verbTo change (text) from a bold typeface to a non-bolded typeface.