unlifelike
/ʌnˈlaɪfaɪk/Definitions
1. adjective
not resembling or characteristic of life, especially in a way that seems unnatural or fake.
“The special effects in the movie were so unlifelike that it was hard to become immersed in the story.”
2. adverb
in an unnatural or fake manner.
“She moved unlifelike through the empty hallway, her footsteps echoing off the walls.”