rough
without symmetry, regularity, or uniformity
not regular; having sides that are not equal or angles that are not equal
whose faces are not all regular polygons (or are not equally inclined to each other)
nonstandard; not conforming to rules or expectations
not following the regular or expected patterns of inflection in a given language
A soldier who is not a member of an official military force and who may not use regular army tactics.
One who does not regularly attend a venue.
Rough or scaly.
Consisting of scales widely divaricating; having scales, small leaves, or other bodies, spreading widely from the axis on which they are crowded; said of a calyx or stem.
Having scales spreading every way, or standing upright, or at right angles to the surface; said of a shell.
Divided into shreds or jags, raised above the plane of the leaf, and not parallel to it; said of a leaf.