Obnoxious rhymes with:
noxious, noxious, anxious, fractious, infectious, noxious, rambunctious, ambitious, anxious, atrocious, audacious, auspicious, capacious, capricious, cautious, ceraceous, confucius, conscientious, conscious, contentious, crustaceous, delicious, efficacious, expeditious, facetious, factitious, fallacious, ferocious, fictitious, flirtatious, fractious, gracious, hellacious, herbaceous, horatius, ignatius, infectious, injudicious, judicious, loquacious, lucius, malicious, mendacious, moshus, nauseous, noxious, nutritious, ostentatious, overambitious, pernicious, perspicacious, precious, precocious, predaceous, pretentious, propitious, proteinaceous, rambunctious, repetitious, salacious, sebaceous, seditious, semiprecious, spacious, specious, subconscious, supercalifragilisticexpealidoshus, superstitious, surreptitious, suspicious, tenacious, tendentious, unconscious, unpretentious, vexatious, vicious, vivacious, voracious
Obnoxious sounds like:
obeying, offense, offenses, offing, opening, openings, openness, opens, openshaw, opines, opining, opinions, oppens, ovens, ovonic