1) Cause to seem less serious 2) Criticize 3) Denigrate 4) Depreciate 5) Derogate 6) Disparage 7) Express a negative opinion of 8) Exclusively Saxon word 9) Exclusively Anglo word 10) Humiliate 11) Laugh at 12) Minimize 13) Mock 14) Pick at 15) Play down 16) Pour scorn on 17) Put down 18) Ridicule 19) Rubbish Found on https://www.crosswordclues.com/clue/belittle
Be·lit'tle transitive verb [ imperfect & past participle Belittled ; present participle & verbal noun Belittling .] To make little or less in a moral sense; to speak of in a depreciatory or contemptuous way. T. Jefferson. Found on http://www.encyclo.co.uk/webster/B/34