- unyielding; unalterable: inexorable truth; inexorable justice.
- not to be persuaded, moved, or affected by prayers or entreaties: an inexorable creditor.
- not able to be moved by entreaty or persuasion
1550s, from Middle French inexorable and directly from Latin inexorabilis “that cannot be moved by entreaty,” from in- “not, opposite of” (see in- (1)) + exorabilis “able to be entreated,” from exorare “to prevail upon,” from ex- “out” (see ex-) + orare “pray” (see orator). Related: Inexorably; inexorability.