parenthesize /pəˈɹɛnθ.ə.saɪz/ verb2 •To place text in parentheses.When a wholly detached expression or sentence is parenthesized, the final stop comes before the last mark of parenthesis. — 1918 •To interject."Heaven grant it!" parenthesized Lord Rushbrook. — 1871 formsparenthesized · parenthesizing · parenthesizes