Home Dee Dee Word of the Day – Oct. 25 – Pediculous Dee Dee Word of the Day – Oct. 25 – Pediculous By Staff mB - October 25, 2011 681 Adjective: Pediculous (pih-DIK-yuh-lus) Definition: Infected with lice Sample sentence: Several third-graders had to be treated for lice after being exposed to a pediculous classmate.