1) Belittle 2) Revile 1) Belittle 2) To despise 3) To slander or vilify 
to despise; to make light of; to disparage mockingly
• (v. t.) To value lightly; to depreciate; to slight; to despise.
Vil'i·pend transitive verb [ Latin vilipendere ; vilis vile + pendere to weigh, to value: confer French vilipender .] To value lightly; to depreciate; to slight; to despise. « To vilipend the art of portrait painting.» Longfellow. 
belittle[Difficult words] belittle