unwitting

/ʌnˈwɪtɪŋ/
adjective
  1. Not aware of the full facts; not knowing or conscious of something.
    • She was an unwitting participant in the prank, thinking it was a real emergency.
    • He became an unwitting witness to the crime while walking his dog.
    • The museum displayed the stolen artifact, an unwitting buyer of illegal goods.
  2. Done or happening without intention or planning; accidental.
    • They suffered the unwitting consequences of a poorly designed policy.
    • His unwitting comment hurt her feelings, though he meant no harm.
    • The unwitting error in the recipe caused the cake to fall flat.