Bumpiest [adjective]

● Uneven

● Rugged

● Jarring

● Jerky

● Choppy

● Knobby

● Lumpy

● Rutted

● Corrugated

● Potholed

● Calm

● Smooth

● Even

● Level

● Bumpiest

● Roughest

● Rutty

● Rockiest

● Rutted

● Hairiest

● Smoothest

● Muddiest

● Iciest

● Treacherous

● Windiest

● Steepest

● Dustiest

● Toughest

● Twisty

● Hilly

● Craziest

● Meanest

● Cambered

● Potholed

● Lousiest

● Straightest

● Scariest

● Slowest

● Sleepiest

● Emptiest

● Loveliest

● Prettiest

● Pathless

● Leanest

● Leafiest

● Wildest

● Nastiest

● Slushy

● Balmiest

● Cleanest

● Rudest

● Untraveled

● Tightest

● Safest

● Unpaved

● Slicken

● Lengthiest

● Congested

● Shortest

● Softest

● Worst

● Friendliest

● Longest

● Busiest

● Rooty

● Asphalted

● Snowy

● Nicest

● Dirtiest

● Strangest

● Metalled

● Trickiest

● Wettest

● Hardiest

● Unpassable

● Sandy

● Hardest

● Torturous

● Easiest

● Fluffiest

● Treeless

● Shabbiest

● Slippery

● Pleasantest

● Coldest

● Freakiest

● Gnarly

● Scenic

● Snowless

● Healthiest

● Loneliest

● Driest

● Dullest

● Tortuous

● Unploughed

● Unforgiving

● Curliest

● Daintiest

● Bounciest

● Ugliest

● Untrodden

● Graveled

● Uphill

● Weirdest

● Greasiest

● Quietest

● Traversable

● Grueling

● Perilous

● Slippy

● Hilled

● Sweetest

● Happiest

● Creamiest