weaken
1. [ verb ] lessen the strength of
Examples:

"The fever weakened his body"

Related terms: strengthen change dilute shake cripple blunt neutralize emasculate enfeeble enervate etiolate wash_out devitalize rarefy dampen break temper unbrace depress de-energize
2. [ verb ] become weaker
Examples:

"The prisoner's resistance weakened after seven days"

Related terms: strengthen decrease fade subside slow loosen pine_away wilt disappear collapse pall dull attenuate slacken blur die_down weakening
3. [ verb ] reduce the level or intensity or size or scope of
Synonyms: step_down de-escalate
Examples:

"de-escalate a crisis"

Related terms: escalate decrease decrease
4. [ verb ] destroy property or hinder normal operations
Synonyms: undermine subvert counteract countermine sabotage
Examples:

"The Resistance sabotaged railroad operations during the war"

Related terms: disobey derail sabotage
5. [ verb ] lessen in force or effect
Synonyms: break soften damp dampen
Examples:

"soften a shock" "break a fall"

Related terms: deaden damp deafen weakener
Similar spelling:   waken