1 ultimate /ˈʌltəmət/ adjective
1 ultimate
Learner's definition of ULTIMATE
always used before a noun
: happening or coming at the end of a process, series of events, etc.
: greatest or most extreme used to say that something or someone is the greatest or most extreme example of a particular type of thing or person
used to refer to the original or basic source or cause of something
: most distant in space or time
2 ultimate /ˈʌltəmət/ noun
2 ultimate
Learner's definition of ULTIMATE

the ultimate in

: the greatest or most extreme form or example of (something)