1. to reduce to lower rank   denigrate   degrade   2. double; composed of two parts   dual   duel   3. to express disapproval; to advise the avoidance of   depreciate   deprecate   4. to pay out money   disperse   disburse   5. to lower in value   deprecate   depreciate   6. to annoy greatly   exasperate   exacerbate   7. to make worse   exacerbate   exasperate