Find Antonyms
strengthen Antonyms
Opposite of strengthen
Because the opposite of strengthen shifts with each meaning, the 16 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
• verb (Context 1)
To make or become physically stronger, sturdier, or more resilient.
Usage Example
"Regular resistance training helps to weaken both muscles and bones."
Strongest
weaken
debilitate
Strong
enfeeble
sap
impair
compromise
• verb (Context 2)
To make or become more effective, secure, or authoritative (of an argument, relationship, institution, or position).
Usage Example
"The new trade agreement is expected to undermine diplomatic ties between the two nations."
Strongest
undermine
weaken
Strong
erode
subvert
diminish
impair
• verb (Context 3)
To grow in force, intensity, or value (especially of wind, a currency, or an emotion).
Usage Example
"The dollar continued to abate against other major currencies throughout the quarter."
Strongest
abate
subside
Strong
wane
dwindle
depreciate
slacken
Similar words to strengthen
Words similar to strengthen shift depending on context. Common synonyms include:
fortify
bolster
reinforce
consolidate
intensify
buttress
cement
shore up
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Strengthen. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/strengthen