undesirable

/ˌʌndɪˈzaɪrəbəl/
adjective
  1. Not wanted or liked because it is bad, unpleasant, or harmful.
    • Living near a noisy factory can have undesirable effects on your health.
    • The teacher warned that cheating would lead to undesirable consequences.
    • The company took steps to remove undesirable chemicals from its products.
noun
  1. A person who is considered unwanted or harmful to a group or society.
    • The neighborhood watch group tried to keep undesirables out of the park.
    • The club's strict rules were designed to discourage undesirables from joining.
    • During the war, the government labeled many innocent people as undesirables.
What does "undesirable" mean? | whatsthatwordmean | whatsthatwordmean