What is the Latin word for unwalled?

The usual Latin words for “unwalled” are mūrus, immūnītus. The right choice depends on the sense; see the distinctions below.

English → Latin

“unwalled” in Latin

mūruswall, city wall(s), (usually of a city, as opposed to pariēs); mounds made without ditches immūnītusunfortified, undefended

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

unwalled

*muro or moenibus non cinctus, septus, etc.: immunitus (unfortified). The city had been formerly unwalled, fuerat urbs quondam sine muro (Liv.).

Quick answer

What is the Latin word for unwalled?: The usual Latin words for “unwalled” are mūrus, immūnītus. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.