What is the Latin word for variable?

The usual Latin words for “variable” are varius, variō, incōnstāns; also mūtābilis, mōbilis. The right choice depends on the sense; see the distinctions below.

English → Latin

“variable” in Latin

variusdiverse, different, various, varied; manifold, changing, variable, complex; versatile variōto diversify, variegate, change, transform, make different or various, alter, vary, interchange; to be diversified or va incōnstānschangeable; inconstant; inconsistent; fickle; capricious mūtābilismutable, changeable, inconstant mōbilismovable, loose; pliant, flexible; fickle, inconstant

The English word variable itself goes back to Latin varius, through variare.

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

variable

varius: varians: inconstans: mutabilis: mobilis. (The words are found in this connection and order.) varius et mutabilis. SYN. in CHANGEABLE.

Quick answer

What is the Latin word for variable?: The usual Latin words for “variable” are varius, variō, incōnstāns; also mūtābilis, mōbilis. 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.