What is the Latin word for wilfulness?

The usual Latin words for “wilfulness” are obstinātiō, pervicāx, pertināx; also contumāx. The right choice depends on the sense; see the distinctions below.

English → Latin

“wilfulness” in Latin

obstinātiōfirmness, resolution, steadfastness, determination; inflexibility, stubbornness, obstinacy pervicāxfirm, determined, persistent, dogged; stubborn, obstinate, headstrong, wilful; steadfast pertināxpersevering, obstinate; pertinacious; tenacious contumāxinsolent, obstinate, stiff-necked, defiant; who refuses to appear in a court of law, in disobedience of a summons; unyie

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

wilfulness

animus obstinatus: obstinatio: pervicacia: animus pervicax: pertinacia: animus praefractus: contumacia. SYN. in OBSTINACY.

Quick answer

What is the Latin word for wilfulness?: The usual Latin words for “wilfulness” are obstinātiō, pervicāx, pertināx; also contumāx. 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.