1) Belittle 2) To express disapproval of 
• (v. t.) To expose to censure or ill favor; to put out of the good graces of any one. • (v. t.) To mention with disapprobation; to blame; to disapprove.
Dis`com·mend' transitive verb 1. To mention with disapprobation; to blame; to disapprove. [ R.] Spenser. « By commending something in him that is good, and discommending the same fault in others.» Jer. Taylor. 2. To expose to censure or ill favor; t...
to express disapproval of; belittle; disparage. The diners discommended the wine. · to bring into disfavor: He was discommended for his negligence.