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Adjective: diminishing  di'mi-ni-shing
  1. Becoming smaller, less or appearing to do so
    "diminishing returns"; "his diminishing respect for her"
Verb: diminish  di'mi-nish
    "The amount of homework diminished towards the end of the semester";
    - decrease, lessen, fall
  2. Lessen the authority, dignity, or reputation of
    "don't diminish your colleagues";
    - belittle

See also: decreasing

Type of: change magnitude, decrease, lessen, minify

Encyclopedia: Diminish