Undulating (Ondulant) (UN-dyoo-lay-ting)
Having a wavy outline or surface.
The coastline had an undulating shape.

Angular (Anguleux) (ANG-gyoo-lur)
Having sharp corners or angles.
The modern building featured angular designs.

Curvilinear (Curviligne) (kur-vi-LIN-ee-ur)
Characterized by curved lines.
The sculpture had a curvilinear form.

Jagged (Dentelé) (JAG-id)
Having a sharply uneven surface or outline.
The mountain range had a jagged silhouette.

Sinuous (Sinueux) (SIN-yoo-us)
Having many curves and bends.
The river followed a sinuous path through the valley.

Rounded (Arrondi) (ROWND-id)
Having a smooth, curved surface.
The pebble had a rounded shape.

Pointed (Pointu) (POINT-id)
Having a sharp end or tip.
The spire had a pointed apex.

Asymmetrical (Asymétrique) (ay-sim-ET-ri-kul)
Having parts that fail to correspond to one another in shape, size, or arrangement.
The leaf had an asymmetrical shape.

Elliptical (Elliptique) (ih-LIP-ti-kul)
Having the shape of an ellipse.
The orbit of the planet is elliptical.

Oblate (Aplati) (OB-layt)
Flattened at the poles; having an equatorial bulge.
The planet had an oblate spheroid shape.

Spherical (Sphérique) (SFER-i-kul)
Shaped like a sphere.
The dewdrop formed a spherical bead.

Cuboidal (Cuboïde) (kyoo-BOY-dul)
Having the shape of a cube or cuboid.
The container was cuboidal.

Cylindrical (Cylindrique) (si-LIN-dri-kul)
Having the form of a cylinder.
The ancient column was cylindrical.

Conical (Conique) (KON-i-kul)
Having the shape of a cone.
The volcano had a conical shape.

Pyramidal (Pyramidal) (pi-RAM-i-dul)
Shaped like a pyramid.
The monument had a pyramidal structure.

Toroidal (Toroïdal) (toh-ROY-dul)
Shaped like a torus (a doughnut shape).
The magnetic field had a toroidal configuration.

Oblong (Oblong) (OB-long)
Having an elongated rectangular or oval shape.
The picture frame was oblong.

Faceted (À facettes) (FAS-et-id)
Having many flat surfaces or faces.
The gemstone had a faceted surface.

Voluminous (Volumineux) (vuh-LOO-mi-nus)
Occupying much space; having great volume.
The cloud had a voluminous form.

Planar (Planaire) (PLAY-nur)
Having a flat or level surface.
The design was planar and two-dimensional.

Concentric (Concentrique) (kon-SEN-trik)
Having a common center.
The ripples in the water were concentric.

Linear (Linéaire) (LIN-ee-ur)
Arranged in or extending along a straight or nearly straight line.
The pattern had a linear arrangement.

Radial (Radial) (RAY-dee-ul)
Arranged like rays or radii diverging from a common center.
The flower petals had a radial symmetry.

Parallel (Parallèle) (PAR-uh-lel)
Side by side and having the same distance continuously between them.
The lines on the paper were parallel.

Converging (Convergeant) (kun-VUR-jing)
Tending to meet at a point.
The roads were converging towards the city center.

Diverging (Divergeant) (dye-VUR-jing)
Tending to move apart in different directions.
The paths were diverging at the fork.

Intersecting (Sécant) (in-tur-SEK-ting)
Crossing or overlapping.
The two circles had intersecting boundaries.

Tangential (Tangent) (tan-JEN-shul)
Touching but not intersecting.
The line was tangential to the curve.

Orthogonal (Orthogonal) (or-THOG-uh-nul)
At right angles; perpendicular.
The grid lines were orthogonal.

Tessellated (Tessellé) (TES-uh-lay-tid)
Fitted together closely without gaps or overlapping.
The floor was covered with tessellated tiles.