LATIN DICTIONARYLexicon Latīnum
English → Latin

“groundless” in Latin

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

groundless
(not tenable; e.g., assertion)(not tenable; e.g., assertion), rationi adversus (i. e., against reason or good sense): vanus (empty, unsubstantial; opposed to verus): futilis (frivolous): fictus: commenticius (invented, made up). (The words are found in this connection and order.) fictus (or futilis) et commenticius; also by circumlocution, qui (quae, quod) sine causa fit, etc., aliquid, cui nihil subest (which has no foundation of truth). A confidence which assuredly cannot be utterly groundless, fiducia quae non de nihilo profecto concepta est (Liv., 39, 29).

Quick answer

What is the Latin word for groundless?
The usual Latin words for “groundless” are vānus, fūtilis, fingō; also commentīcius. 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.