PERPETUAL Copy link • PERPETUALLasting, perpetuus (uninterrupted): perennis (of constant duration): continens, continuus (following immediately one after another): sempiternus: aeternus [SYN. in ETERNAL]. (The words are found in this connection and order.) perpetuus et aeternus; perpetuus et sempiternus. Perpetual snow, nives quas ne aestas quidem solvit: perpetual rain, assidui imbres; imbrium continuatio: perpetual drought, siccitates (see Herzog, Caes., B.G., 4, 10): perpetual fever, febris continens, or continua, or assidua: perpetual toil, labor assiduus or continuus: perpetual diligence, assiduitas: perpetual sleep, somnus continens. Assiduous, etc., assiduus: sedulus, etc. SYN. in ASSIDUOUS.