Synonyms & related words for defenseless

Find synonyms, related words, and the definition of defenseless — including helpless, undefended, unprotected, vulnerable, pregnable, unarmed. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to defenseless

Explore words related to defenseless — words associated with it, words that go with it, and its nearest matches in meaning. Related words include defenselessly, defenselessness, pregnability, naked, vulnerably, invulnerably, powerless, indefensible. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for defenseless

Common synonyms for defenseless include helpless, undefended, unprotected, vulnerable, pregnable, unarmed, weaponless, unshielded — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does defenseless come from?

The word defenseless breaks down into one root of Latin origin: the root fens-, from Latin fendo (“strike, ward off”). Explore each root to see other English words built from the same source.