Definition of Weaken

Verb

• lessen in force or effect
  "soften a shock"
  "break a fall"
  dampen damp soften break
• reduce the level or intensity or size or scope of
  "de-escalate a crisis"
  - de escalate - step down
• destroy property or hinder normal operations
  "The Resistance sabotaged railroad operations during the war"
  sabotage undermine countermine counteract subvert
• become weaker
  "The prisoner's resistance weakened after seven days"
  
• lessen the strength of
  "The fever weakened his body"
  

• Scrabble® score of the weaken (13)
• Word Chums® score of the weaken (16)
• Words With Friends® score of the weaken (14)