An example of uncanny is when someone looks almost exactly like your spouse.
- mysterious or unfamiliar, esp. in such a way as to frighten or make uneasy; preternaturally strange; eerie; weird
- so remarkable, acute, etc. as to seem preternatural: uncanny shrewdness
Origin of uncannysee un- and amp; canny
Origin of uncannyun–1 + canny, fortunate, safe (obsolete).
(comparative uncannier, superlative uncanniest)
From un- +"Ž canny; thus “beyond one's ken," or outside one's familiar knowledge or perceptions.