[adjective] -ier, -iestWe drove along a narrow, bumpy (= uneven and rough) road. The track was full of holes and we had a bumpy ride (= an uncomfortable and rough ride) in the truck.(figurative) She's had a bumpy ride (= a difficult time) at work over the last few months.It might be a bumpy flight (= an uncomfortable and rough flight) because there's a lot of air turbulence ahead.
BUMPY
Meaning of BUMPY in English
Cambridge English vocab. Кембриджский английский словарь. 2012