Răn'cor-ous, a.

adjective

(rănk'ur-us), a. [O. Fr. rancuros, rancureux, Pr. rancuros, Sp. rencoroso. See supra.] Full of rancor; evincing rancor; deeply malignant; implacably spiteful or malicious; intensely virulent.

So flamed his eyes with rage and rancorous ire. Spencer.

Synonyms—Malignant; malicious; bitter; spiteful; malevolent; virulent.