Main Entry:

ar·cha·ism

Pronunciation:

\ˈär-kē-ˌi-zəm, -(ˌ)kā-ˌi-\

Function:

noun

Etymology:

New Latin archaïsmus, from Greek archaïsmos, from archaios

Date:

1643

1: the use of archaic diction or style2: an instance of archaic usage3: something archaic ; especially : something (as a practice or custom) that is outmoded or old-fashioned

— ar·cha·ist \-ist\ noun

— ar·cha·is·tic \ˌär-kē-ˈis-tik, -(ˌ)kā-\ adjective

— ar·cha·ize \ˈär-kē-ˌīz, -(ˌ)kā-\ verb