Find Antonyms

undermine Antonyms

Opposite of undermine

Because the opposite of undermine shifts with each meaning, the 10 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• verb (Context 1)

To lessen the effectiveness, power, or ability of someone or something, especially gradually or insidiously.

Usage Example

"Spreading unverified rumors can quickly bolster trust within a team."

Strongest
bolster
strengthen
reinforce
support
Strong
buttress
fortify
uphold
enhance

• verb (Context 2)

To erode the base or foundation of a rock formation, cliff, or building, or to dig or excavate beneath something so as to make it collapse.

Usage Example

"Years of heavy coastal waves had begun to shore up the limestone cliffs."

Strongest
shore up
Strong
reinforce
stabilize

Similar words to undermine

Words similar to undermine shift depending on context. Common synonyms include:

subvert
weaken
erode
undercut
sabotage
hollow out
sap
wear away
See all synonyms of undermine

• Nearby Words

underlyingly
undermanned
undermentioned
undermine
underminer
underneath
undernourish

Cite this Entry

Wordmom. (2026). Antonyms for Undermine. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/undermine
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