7 adjectives and their origins

1. Fastidious - Middle English, from Latin fastidiosus, from fastidium disgust, probably from fastus arrogance (probably akin to Latin fastigium top) + taedium irksomeness - Circa 1400
2. Lascivious - Middle English, from Late Latin lasciviosus, from Latin lascivia wantonness, from lascivus wanton - Circa 1400
3. Pugnacious - Latin pugnac-, pugnax, from pugnare to fight - Circa 1642
4. Nefarious - Latin nefarius, from nefas crime, from ne- not + fas right, divine law; perhaps akin to Greek themis law, tithenai to place - Circa 1609
5. Rambunctious - Probably alteration of rumbustious - Circa 1830
6. Lugubrious - Latin lugubris, from lugēre to mourn; akin to Greek lygros mournful - Circa 1585
7. Bodacious - Probably a blend of bold and audacious - Circa 1832