tantaliser
/tænˈtælɪzər/Definitions
1. verb
to tempt or tease someone with something they cannot have, especially something desirable or pleasurable.
“The shop owner tantalised the customers with the promise of a big sale next week.”
2. noun
a person or thing that tempts or teases someone.
“The new restaurant was a great tantaliser for foodies in the area.”