Strange, and mysteriously unsettling (as if supernatural); weird. / (UK dialectal) Careless.

(psychology, psychoanalysis, Freud) Something that is simultaneously familiar and strange, typically leading to feelings of discomfort.

comparative form of uncanny: more uncanny

The state or condition of being uncanny.

plural of uncanniness

(aesthetics, psychology) A range of appearances, mannerisms, and/or behaviors of a humanoid figure that are subtly different from human and thereby cause feelings of discomfort, such as fear or revulsion.