Ambitious rhymes with:
auspicious, capricious, delicious, expeditious, factitious, fictitious, injudicious, judicious, malicious, nutritious, pernicious, propitious, repetitious, seditious, superstitious, surreptitious, suspicious, vicious
auspicious, capricious, delicious, expeditious, factitious, fictitious, injudicious, judicious, malicious, nutritious, pernicious, propitious, repetitious, seditious, superstitious, surreptitious, suspicious, vicious