The definition of illusive is dreamlike or not based in reality.
An idea that is not ever going to come to fruition is an example of an illusive idea.
(comparative more illusive, superlative most illusive)
- Subject to or pertaining to an illusion, often used in the sense of an unrealistic expectation or an unreachable goal or outcome.
- Testing software completely is an illusive goal.
- Often confused with elusive.
illusion + -ive