Topic Thesaurus
Roget's Thesaurus

Special Form

Angularity

Nouns
  • angularity, angularness
  • aduncity
  • angle, cusp, bend
  • fold etc. Fold
  • notch etc. Notch
  • fork, bifurcation. elbow, knee, knuckle, ankle, groin, crotch, crutch, crane, fluke, scythe, sickle, zigzag, kimbo, akimbo. corner, nook, recess, niche, oriel [Arch.], coign. right angle etc. (perpendicular) Existence6-parallelism">Parallelism.1, Verticality
  • obliquity etc. Obliquity
  • angle of [Connecting medium.] Connection degrees, miter
  • acute angle, obtuse angle, salient angle, reentering angle, spherical angle. angular measurement, angular elevation, angular distance, angular velocity
  • trigonometry, goniometry
  • altimetry
  • clinometer, graphometer, goniometer
  • theodolite
  • sextant, quadrant
  • dichotomy. triangle, trigon, wedge
  • rectangle, square, lozenge, diamond
  • rhomb, rhombus
  • quadrangle, quadrilateral
  • parallelogram
  • quadrature
  • polygon, pentagon, hexagon, heptagon, octagon, oxygon, decagon. pyramid, cone. Platonic bodies
  • cube, rhomboid
  • tetrahedron, pentahedron, hexahedron, octahedron, dodecahedron, icosahedron, eicosahedron
  • prism, pyramid
  • parallelopiped
  • curb roof, gambrel roof, mansard roof.
Verbs
  • bend, fork, bifurcate, crinkle.
Adjectives
  • angular, bent, crooked, aduncous, uncinated, aquiline, jagged, serrated
  • falciform, falcated
  • furcated, forked, bifurcate, zigzag
  • furcular
  • hooked
  • dovetailed
  • knock kneed, crinkled, akimbo, kimbo, geniculated
  • oblique etc. Obliquity. fusiform [Micro.], wedge-shaped, cuneiform
  • cuneate, multangular, oxygonal
  • triangular, trigonal, trilateral
  • quadrangular, quadrilateral
  • foursquare
  • rectangular, square, multilateral
  • polygonal etc. n.
  • cubical, rhomboid, rhomboidal, pyramidal.

Curvature

Nouns
  • curvature, curvity, curvation
  • incurvature, incurvity
  • incurvation
  • bend
  • flexure, flexion, flection
  • conflexure
  • crook, hook, bought, bending
  • deflection, deflexion
  • inflection, inflexion
  • concameration
  • arcuation, devexity, turn, deviation, detour, sweep
  • curl, curling
  • bough
  • recurvity, recurvation
  • sinuosity etc. [Complex curvature.] Convolution. kink. carve, arc, arch, arcade, vault, bow, crescent, half-moon, lunule, horseshoe, loop, crane neck
  • parabola, hyperbola
  • helix, spiral
  • catenary, festoon
  • conchoid, cardioid
  • caustic
  • tracery
  • arched ceiling, arched roof
  • bay window, bow window. sine curve
  • spline, spline curve, spline function
  • obliquity etc. Obliquity.
Verbs
  • be curved, c. adj.
  • curve, sweep, sway, swag, sag
  • deviate etc. Deviation
  • curl, turn
  • reenter. render curved etc. adj.
  • flex, bend, curve, incurvate
  • inflect
  • deflect, scatter [Phys.]
  • refract (light) Light
  • crook
  • turn, round, arch, arcuate, arch over, concamerate
  • bow, curl, recurve, frizzle. rotundity etc. Rotundity
  • convexity etc. Convexity.
Adjectives
  • curved etc. v.
  • curviform, curvilineal, curvilinear
  • devex, devious
  • recurved, recurvous
  • crump
  • bowed etc. v.
  • vaulted, hooked
  • falciform, falcated
  • semicircular, crescentic
  • sinusoid [Geom.], parabolic, paraboloid
  • luniform, lunular
  • semilunar, conchoidal
  • helical, double helical, spiral
  • kinky
  • cordiform, cordated
  • cardioid
  • heart shaped, bell shaped, boat shaped, crescent shaped, lens shaped, moon shaped, oar shaped, shield shaped, sickle shaped, tongue shaped, pear shaped, fig shaped
  • kidney-shaped, reniform
  • lentiform, lenticular
  • bow-legged etc. (distorted) [Irregularity of form.] Distortion
  • oblique etc. Obliquity
  • circular etc. [Simple circularity.] Circularity. aduncated, arclike, arcuate, arched, beaked
  • bicorn, bicornuous, bicornute
  • clypeate, clypeiform
  • cymbiform, embowed, galeiform
  • hamate, hamiform, hamous
  • hooked
  • linguiform, lingulate
  • lobiform, lunate, navicular, peltate, remiform, rhamphoid
  • rostrate, rostriferous, rostroid
  • scutate, scaphoid, uncate
  • unguiculate, unguiform.

Straightness

Nouns
  • straightness, rectilinearity, directness
  • inflexibility etc. (stiffness) Hardness
  • straight line, right line, direct line
  • short cut.
Verbs
  • be straight etc. adj.
  • have no turning
  • not incline to either side, not bend to either side, not turn to either side, not deviate to either side
  • go straight
  • steer for etc. (directions) Direction. render straight, straighten, rectify
  • set straight, put straight
  • unbend, unfold, uncurl etc. [Complex curvature.] Convolution, unravel etc. Crossing, unwrap.
Adjectives
  • straight
  • rectilinear, rectilineal
  • direct, even, right, true, in a line
  • unbent, virgate etc. v.
  • undeviating, unturned, undistorted, unswerving
  • straight as an arrow etc. (direct) Direction
  • inflexible etc. Hardness. laser-straight
  • ramrod-straight.

Circularity (Simple circularity)

Nouns
  • circularity, roundness
  • rotundity etc. Rotundity. circle, circlet, ring, areola, hoop, roundlet, annulus, annulet, bracelet, armlet
  • ringlet
  • eye, loop, wheel
  • cycle, orb, orbit, rundle, zone, belt, cordon, band
  • contrate wheel, crown wheel
  • hub
  • nave
  • sash, girdle, cestus, cincture, baldric, fillet, fascia, wreath, garland
  • crown, corona, coronet, chaplet, snood, necklace, collar
  • noose, lasso, lassoo. ellipse, oval, ovule
  • ellipsoid, cycloid
  • epicycloid [Geom.], epicycle
  • semicircle
  • quadrant, sextant, sector. sphere etc. Rotundity.
Verbs
Adjectives
  • round, rounded, circular, annular, orbicular
  • oval, ovate
  • elliptic, elliptical
  • egg-shaped
  • pear-shaped etc. Curvature
  • cycloidal etc. n.
  • spherical etc. Rotundity.

Convolution (Complex curvature)

Nouns
  • winding etc. v.
  • convolution, involution, circumvolution
  • wave, undulation, tortuosity, anfractuosity
  • sinuosity, sinuation
  • meandering, circuit, circumbendibus, twist, twirl, windings and turnings, ambages
  • torsion
  • inosculation
  • reticulation etc. (crossing) Crossing
  • rivulation
  • roughness etc. Roughness. coil, roll, curl
  • buckle, spiral, helix, corkscrew, worm, volute, rundle
  • tendril
  • scollop, scallop, escalop
  • kink
  • ammonite, snakestone. serpent, eel, maze, labyrinth. knot.
Verbs
  • be convoluted etc. adj.
  • wind, twine, turn and twist, twirl
  • wave, undulate, meander
  • inosculate
  • entwine, intwine
  • twist, coil, roll
  • wrinkle, curl, crisp, twill
  • frizzle
  • crimp, crape, indent, scollop, scallop, wring, intort
  • contort
  • wreathe etc. (cross) Crossing.
Adjectives
  • convoluted
  • winding, twisted etc. v.
  • tortile, tortive
  • wavy
  • undated, undulatory
  • circling, snaky, snake-like, serpentine
  • serpent, anguill, vermiform
  • vermicular
  • mazy, tortuous, sinuous, flexuous, anfractuous, reclivate, rivulose, scolecoid
  • sigmoid, sigmoidal [Geom.]
  • spiriferous, spiroid
  • involved, intricate, complicated, perplexed
  • labyrinth, labyrinthic, labyrinthian, labyrinthine
  • peristaltic
  • daedalian
  • kinky, knotted. wreathy, frizzly, crepe, buckled
  • raveled etc. (in disorder) [Absence, or want of Order, etc.] Disorder. spiral, coiled, helical
  • cochleate, cochleous
  • screw-shaped
  • turbinated, turbiniform.
Adverbs
  • in and out, round and round
  • a can of worms
  • Gordian knot.

Rotundity

Nouns
  • rotundity
  • roundness etc. adj.
  • cylindricity
  • sphericity, spheroidity
  • globosity. cylinder, cylindroid, cylindrical
  • barrel, drum
  • roll, roller
  • rouleau, column, rolling-pin, rundle. cone, conoid
  • pear shape, egg shape, bell shape. sphere, globe, ball, boulder, bowlder
  • spheroid, ellipsoid
  • oblong spheroid
  • oblate spheroid, prolate spheroid
  • drop, spherule, globule, vesicle, bulb, bullet, pellet, pelote, clew, pill, marble, pea, knob, pommel, horn
  • knot (convolution) [Complex curvature.] Convolution. curved surface, hypersphere
  • hyperdimensional surface.
Verbs
  • render spherical etc. adj.
  • form into a sphere, sphere, roll into a ball
  • give rotundity etc. n.
  • round.
Adjectives
  • rotund
  • round etc. (circular) [Simple circularity.] Circularity
  • cylindric, cylindrical, cylindroid
  • columnar, lumbriciform
  • conic, conical
  • spherical, spheroidal
  • globular, globated, globous, globose
  • egg shaped, bell shaped, pear shaped
  • ovoid, oviform
  • gibbous
  • rixiform
  • campaniform, campanulate, campaniliform
  • fungiform, bead-like, moniliform, pyriform, bulbous
  • round as an orange, round as an apple, round as a ball, round as a billiard ball, round as a cannon ball.