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1. Reduced to the smallest possible size or amount or degree
   - minimized

1. Represent as less significant or important
   - understate, minimize, downplay
    
2. Make small or insignificant
   "Let's minimise the risk"
   - minimize
    
3. Cause to seem less serious; play down
   "Don't minimise his influence"
   - minimize, belittle, denigrate, derogate

See also: decreased, minimisation [Brit], minimum, reduced

Type of: belittle, decrease, disparage, inform, lessen, minify, pick at

Antonym: maximise [Brit]