boardlike
Like a plank
Resembling a board in flatness, stiffness, or rigidity.
A boardlike surface is flat and unyielding.
Muscles that have seized up may feel boardlike: His abdomen was boardlike from the cramps.
The word suggests something unnaturally stiff or inflexible.
rigid
Not easily bent
- unbendingRefusing to change position
- inflexibleUnable to bend
- unyieldingRefusing to give way
- firmSolid or resolute
hard · solid · immovable · sturdy · resistant · taut · inelastic · fixed
stiff
Not easily bent
- unbendingRefusing to change position
- inflexibleUnable to bend
- unyieldingRefusing to give way
firm · hard · solid · immovable · sturdy · resistant · taut · inelastic · fixed · reinforced
plank
Flat timber piece
plywood · panel · slat · lath · beam · grain · laminate · particleboard · fiberboard · veneer
planar
Of a flat surface
tabletop · flush · horizontal · slab · planed · flattened · sheet · laminar