untimeous

/ʌnˈtaɪmiəs/
adjective
  1. Happening at an unsuitable or inconvenient time; untimely.
    • His untimeous request for a raise came just after the company announced layoffs.
    • The untimeous interruption derailed the speaker's train of thought.
    • An untimeous frost killed the early blossoms in the orchard.
Antonyms
What does "untimeous" mean? | whatsthatwordmean | whatsthatwordmean