disparage

 
Pronunciation: /dɪˈsparɪdʒ/

verb

[with object]
  • regard or represent as being of little worth: he never missed an opportunity to disparage his competitors

Derivatives

disparagement

noun

Origin:

late Middle English (in the sense 'marry someone of unequal rank', also 'bring discredit on'): from Old French desparagier 'marry someone of unequal rank', based on Latin par 'equal'