bumpy
bump +‎ -y
https://gyazo.com/8b2afbfbc73ea67777c6540c6d396dce
adjective (bumpier, bumpiest)
(of a surface) uneven, with many patches raised above the rest:
〈道・表面が〉でこぼこの
e.g. the bumpy road.
(of a journey or other movement) involving sudden jolts and jerks:
〈行程・道のりが〉ガタガタ揺れる; 〈人生が〉浮き沈みのある, 困難の多い
e.g. she took us all on a bumpy ride
e.g. figurative : bumpy market conditions.
DERIVATIVES
bumpily |-pəlē| adverb
bumpiness |ˈbəmpēnəs| noun