I never doubted their 'ultimate' success. [=I never doubted that they would eventually succeed]
They provide their customers with 'the ultimate in' service. [=with the best possible service]
The president has 'ultimate' [='final'] authority/control/responsibility over the decision.
(..) - You want to hit that. - No! - Yeah! She's just a friend. lt's healthy, hanging out with a girl without the ultimate goal being sex. - You know? - l'm not following. Creepy. l had a run-in with that nurse, Carla. She forgot to check the stats (..)2001 TvShow: Scrubs Title: My Mentor Season: 1 Episode 2