Not susceptible to persuasion.

synonym: unsuasible.

Roget 606: obstinate, tenacious, stubborn, obdurate, casehardened; inflexible etc. (hard) 323; balky; immovable, unshakable, not to be moved; inert etc. 172; unchangeable etc. 150; inexorable etc. (determined) 604; mulish, obstinate as a mule, pig-headed.    dogged; sullen, sulky; unmoved, uninfluenced unaffected.    willful, self-willed, perverse; resty^†, restive, restiff^†; pervicacious^†, wayward, refractory, unruly; heady, headstrong; entete [Fr.]; contumacious; crossgrained^†.    arbitrary, dogmatic, positive, bigoted; prejudiced etc. 481; creed-bound; prepossessed, infatuated; stiff-backed, stiff necked, stiff hearted; hard-mouthed, hidebound; unyielding; impervious, impracticable, inpersuasible^†; unpersuadable; intractable, untractable^†; incorrigible, deaf to advice, impervious to reason; crotchety etc. 608.    ... show more

Roget 616: dissuading etc. v.; dissuasive; dehortatory^†, expostulatory^†; monitive^†, monitory.    dissuaded etc. v.; admonitory; uninduced etc. (induce) etc. 615; unpersuadable etc. (obstinate) 606; averse etc. (unwilling) 603; repugnant etc. (dislike) 867.    repressed.    ... show more