What is the Latin word for unattainable?

The usual Latin words for “unattainable” are cōnsequor, queō, sequor. The right choice depends on the sense; see the distinctions below.

English → Latin

“unattainable” in Latin

cōnsequorto move, travel, come, pass or go after, or follow behind another (in time and/or space); to chase, to pursue, to go aft queōto be able, can sequorto follow, to come or go after, to pursue; to accede or conform to, follow, comply with; to attend, accompany

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

unattainable

quod assequi (consequi, etc.) non or nullo modo possumus (queas, etc.). Diogenes said that the pleasures he enjoyed were unattainable by the Persian monarch, Diogenes dixit suas voluptates regem Persarum consequi nullo modo posse. To pursue an object that is unattainable, sequi, quod assequi non queas.

Quick answer

What is the Latin word for unattainable?: The usual Latin words for “unattainable” are cōnsequor, queō, sequor. 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.