bumpy 
/ˈbʌmpi/ adjective
bump·i·er; bump·i·est /ˈbʌmpi/ adjective [or more bumpy; most bumpy] 1 of a surface : having or covered with bumps
▪ The road is very bumpy. ▪ the bumpy skin of a cucumber — opposite smooth 2 : having sudden up and down movements
▪ The flight was very bumpy. ▪ The road was rough so we had a bumpy ride. ▪ a bumpy journey — opposite smooth 3 : having a lot of problems
▪ a bumpy relationship ▪ The project got off to a bumpy [=rocky] start, but it's back on schedule now. ▪ Production of the movie has been a bumpy ride. [=there have been a lot of problems during the production of the movie] — opposite smooth
▪ The road is very bumpy. ▪ the bumpy skin of a cucumber — opposite smooth
▪ The flight was very bumpy. ▪ The road was rough so we had a bumpy ride. ▪ a bumpy journey — opposite smooth
▪ a bumpy relationship ▪ The project got off to a bumpy [=rocky] start, but it's back on schedule now. ▪ Production of the movie has been a bumpy ride. [=there have been a lot of problems during the production of the movie] — opposite smooth
— bump·i·ness noun [noncount]
