markedly UK /ˈmɑː.kɪd.li/US /ˈmɑɹ.kɪd.li/ adverb1 •In a marked manner; distinctly, noticeably, conspicuously.Being markedly different as a teenager can get you taunted; as an adult it can make you famous. formsmore markedly · more markèdly · most markedly · most markèdly