greatestpayoff
nounUK /ˈɡreɪtɪst ˈpeɪɒf/
US /ˈɡreɪtɪst ˈpeɪɔːf/
The best reward you get for doing something.
Finishing the puzzle was the greatestpayoff of the rainy day.
OTHER MEANINGS
2. The most money you win from a game or deal.
The greatestpayoff in the contest went to the fastest runner.
3. The happiest feeling you get after working hard.
Seeing her garden bloom was the greatestpayoff for all her care.
4. The biggest good thing that comes from a choice.
The greatestpayoff of sharing toys is making new friends.