irregular in English:

It's really hard to drive on the bumpy roads around here.

The bus rattled as it drove along the bumpy road.

The bumpy road

The landing of the plane was bumpy

You almost never see such bumpy images on TV or in movies, unless a shot was made that way intentionally to achieve a certain effect.

bumpy landing

We drove along a narrow, bumpy road.

The ride on this old road can be very bumpy.

The ground is bumpy in places.

He had a bumpy start to his career and was fired from many jobs.

Definition a bumpy surface is very uneven and has a lot of raised parts on it. A bumpy ride is uncomfortable because the car or plane you are in is bouncing up and down a lot

This road is very bumpy.

There is a bumpy road ahead of us.

= uneven, a bumpy road

The road was so bumpy that I couldn't ride my bike.

The groud had been ploughed and was consequently very uneven to walk upon.

uneven surface

Health care system delivers profoundly uneven quality.

uneven distribution

I was just hopping around, like someone with a limp or uneven legs. Talk about not cute – that was definitely not cute!

For this reason, they’re not exceptionally accurate; if your stride length varies (which is more likely if you’re running or navigating uneven terrain), a pedometer may have a margin of error greater than 10%.

The tamborim lends a very slightly uneven and highly distinctive 16th note groove to samba music.