ultimate
1 adj You use ultimate to describe the final result or aim of a long series of events.
ADJ n
(=eventual)
He said it is still not possible to predict the ultimate outcome..., The ultimate aim is to expand the network further.
2 adj You use ultimate to describe the original source or cause of something.
ADJ n
(=fundamental)
Plants are the ultimate source of all foodstuffs..., The ultimate cause of what's happened seems to have been the advertising campaign.
3 adj You use ultimate to describe the most important or powerful thing of a particular kind.
ADJ n
...the ultimate power of the central government..., Of course, the ultimate authority remained the presidency...
4 adj You use ultimate to describe the most extreme and unpleasant example of a particular thing.
ADJ n
Bringing back the death penalty would be the ultimate abuse of human rights...
5 adj You use ultimate to describe the best possible example of a particular thing.
ADJ n
(=definitive)
Caviar and oysters on ice are generally considered the ultimate luxury foods.
6 The ultimate in something is the best or most advanced example of it.
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the ultimate in phrase PHR n/-ing, usu v-link PHR, PHR after v
This hotel is the ultimate in luxury...