minimise

from WordNet (r) 3.0 (2006)
minimise
    v 1: represent as less significant or important [syn:
         {understate}, {minimize}, {minimise}, {downplay}] [ant:
         {amplify}, {exaggerate}, {hyperbolise}, {hyperbolize},
         {magnify}, {overdraw}, {overstate}]
    2: make small or insignificant; "Let's minimize the risk" [syn:
       {minimize}, {minimise}] [ant: {maximise}, {maximize}]
    

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