Find Antonyms
undefended Antonyms
Opposite of undefended
Because the opposite of undefended shifts with each meaning, the 10 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adjective (Context 1)
Not protected against attack, harm, or danger; lacking physical security or guards.
Usage Example
"The ancient settlement was left defended after the walls collapsed during the storm."
Strongest
defended
protected
guarded
Strong
fortified
shielded
secure
• adjective (Context 2)
Not contested or opposed by the defendant in a legal proceeding, or not supported against criticism or challenge.
Usage Example
"Because both spouses agreed to the terms, the divorce proceeded as an contested case."
Strongest
contested
disputed
Strong
challenged
supported
Similar words to undefended
Words similar to undefended shift depending on context. Common synonyms include:
uncontested
unprotected
unguarded
defenseless
unopposed
vulnerable
unchallenged
unsupported
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Undefended. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/undefended