unrealisitic
Unrealisitic is generally regarded as a misspelling of the standard English adjective unrealistic, which means not realistic or lacking plausibility. It is not listed as a separate word in major dictionaries and is usually encountered as a typographical error or autocorrect mistake.
In ordinary usage, the intended meaning is the same as realistic’s opposite: something that is not believable,
When writing formally or in neutral tone, the correct spelling is unrealistic. If you see unrealisitic, it
See also: realistic, unrealism, plausibility. While unrealisitic does not constitute a separate concept, understanding the distinction