bumpy

/ˈbʌmpi/
adjective
  1. Having an uneven surface with many raised areas or lumps.
    • The bike ride was uncomfortable because the trail was full of bumpy rocks.
    • She chose a smooth apple instead of the bumpy one.
    • The old dirt road was so bumpy that the car shook the whole way.
  2. Full of difficulties or problems; not smooth or easy.
    • The project faced a bumpy period when the team lost two members.
    • Their relationship had a bumpy start, but they became good friends later.
    • Starting a new business is often a bumpy journey with many challenges.
Antonyms
What does "bumpy" mean? | whatsthatwordmean | whatsthatwordmean