1. in a bumpy manner; with jolts, shakes, or uneven movement

Examples

• The old truck drove bumpily down the dirt road.
• We landed bumpily due to the strong crosswinds.
• The cart rolled bumpily over the cobblestones.
• The plane descended bumpily through the turbulence.
• She walked bumpily on her injured ankle.
• The project started bumpily but improved over time.