1. (noun) one who disparages or belittles the worth of something

• detractor
• disparager
• knocker

1. (noun) one who disparages or belittles the worth of something

• backbiter
• defamer
• libeler
• maligner
• slanderer
• traducer
• vilifier
• hatemonger
• muckraker
• mudslinger

1. (noun) one who disparages or belittles the worth of something

• cynic
• faultfinder

1. (noun) one who disparages or belittles the worth of something

• belittle
• disparage
• pick at
• deprecate
• depreciate
• vilipend
• detract
• take away