unsmooth

/ʌnˈsmuːð/
adjective
  1. Not smooth; having an uneven or rough surface.
    • The unsmooth surface of the old wooden table caught on her sleeve.
    • The trail became unsmooth with loose rocks and roots as they climbed higher.
    • He preferred unsmooth paper for his charcoal drawings because it held the pigment better.
  2. Not proceeding in a steady, easy, or harmonious way; marked by difficulties or interruptions.
    • Their relationship had an unsmooth start, with many arguments in the first few months.
    • The transition to the new software was unsmooth, causing delays for several days.
    • The project's unsmooth progress frustrated the entire team.
Antonyms
What does "unsmooth" mean? | whatsthatwordmean | whatsthatwordmean