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arch[adjective]

Entry Word: arch

Function: adjective

Meaning: 1 coming before all others in importance <Lex Luthor is Supermanʼs arch enemy> — see foremost 1
2 displaying or marked by rude boldness <was so arch as to ask him outright if he was wearing a toupee> — see nervy 1

Learn more about "arch"

Learn more about "arch" and related topics at Britannica.com