minimal
US /ˈmɪn.ə.məl/
UK /ˈmɪn.ə.məl/

1.
of a minimum amount, quantity, or degree; negligible.
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The damage to the car was minimal.
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We need to make sure there's minimal disruption to services.
2.
of or relating to minimalism in art, music, or design.
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The artist is known for her minimal sculptures.
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The interior design of the apartment was very minimal, with clean lines and neutral colors.