unpropitious

adjective1

1. •
   Not propitious; unfavourable, untimely.

   • 'Tvvas vvhen the Dog-star's unpropitious ray / Smote ev'ry brain, and vvither'd ev'ry Bay; / Sick vvas the Sun, the Ovvl forsook his bovv'r, / The moon-struck Prophet felt the madding hour: […] — 1742