disproportionate

/ˌdɪsprəˈpɔrʃənət/
adjective
  1. Too large or too small in comparison to something else; out of proportion.
    • Her reaction seemed disproportionate to the situation, as she burst into tears over a small comment.
    • Low-income families spend a disproportionate amount of their income on housing.
    • The media gave disproportionate attention to the celebrity's minor mistake.