spice
US /spaɪs/
UK /spaɪs/

1.
2.
something that adds interest or excitement to life
:
•
Variety is the spice of life.
•
A little bit of danger adds spice to the adventure.
1.
2.
to make something more interesting or exciting
:
•
We need to spice up our marketing campaign.
•
Adding a new challenge will spice up the game.