Lewis & Short

per-frīvŏlus, a, um, adj., very worthless, very frivolous (post-class.), Vop. Aur. 6.

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• perfrictĭuncŭla
• perfrictus
• perfrīgĕfăcĭo
• perfrīgĕo
• perfrīgĕro
• perfrīgesco
• perfrīgĭdus
• perfringo
• perfrĭo
• perfrīvŏlus
• perfructĭo
• perfruĭtĭo
• perfructus
• perfrŭĭtĭo
• perfrŭor
• perfŭga
• perfŭgĭo
• perfŭgĭum
• perfulcĭo
• perfulgĕrat
• fulgŭrat
• ...