tantalising (Adjective) — Arousing desire or expectation for something unattainable or mockingly out of reach. ex. "a tantalising taste of success"
tantalising (Adjective) — Very pleasantly inviting. ex. "a tantalising aroma"
tantalising (Verb) — Excite or tease by presenting or offering something desirable, esp. when it is unobtainable. ex. "he also was tantalised by glimpses of the real world of espionage"