LATIN DICTIONARYLexicon Latīnum
English → Latin

“inaccessible” in Latin

The English word inaccessible itself goes back to Latin accessibilis, through inaccessibilis.

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

inaccessible
inaccessus (post-classical; Plin.): aditu carens (which there is no approaching; e.g., saxa): quo adire fas non est (which it is not lawful to approach). Somewhat inaccessible, difficilior aditu. Inaccessible to anything, impenetrabilis alicui rei (not to be penetrated by it; e.g., specus imbribus). To make anything inaccessible, aliquid ex omni aditu claudere (to cut off all approach to it); aliquid obsepire (to block it up; e.g., viam).
IMPROPR., rari aditus (of a person who does not easily allow himself to be approached). To make one’s self inaccessible, aditum petentibus conveniendi non dare: anybody is inaccessible, aditus ad aliquem interclusi sunt: to be inaccessible to bribes, animum adversus dona incorruptum gerere (after Sall., Jug., 43, fin): to be inaccessible to flattery, assentatoribus aures non patefacere: not to be inaccessible to flattery, assentatoribus aures patefacere; adulari (passively) se sinere (Cic.).

Quick answer

What is the Latin word for inaccessible?
The usual Latin words for “inaccessible” are inaccessus, saxum, via. 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.