animadversion (n.)

• accusation
• aspersion
• carping
• cavil
• censure
• criticism
• exception
• faultfinding
• flak
• hairsplitting
• hit
• imputation
• insinuation
• knock
• nit
• obloquy
• priggishness
• quibble
• rap
• reflection
• reprehension
• slam
• slur
• stricture
• swipe