Advanced Academic IELTS Words for "Shapes"

hexagonal

Adjective

h

e

ɛ

x

ks

a

æ

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having six equal sides and six angles

Example

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The honeycomb displayed a hexagonal arrangement of cells, efficiently utilizing space in the beehive.

The tabletop had a unique hexagonal design, adding a modern and geometric touch to the furniture.

convex

Adjective

c

k

o

ɑ

n

v

e

ɛ

x

ks

having a surface that is curved outward

concave

Adjective

c

k

o

ɑ

n

c

k

a

eɪ

v

e

having a surface that is curved inward

convex

trapezoidal

Adjective

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r

a

æ

p

e

ɪ

z

oi

ɔɪ

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having the shape of a trapezoid, a quadrilateral with one pair of parallel sides

curvilinear

Adjective

c

k

u

ɜ:

r

v

i

ɪ

l

i

ɪ

n

ea

ɪ

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having curved lines, forms, or structures

polygonal

Adjective

p

o

ə

l

y

ɪ

g

o

ə

n

a

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having a shape with multiple straight edges and angles

annular

Adjective

a

æ

nn

n

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j

ə

l

a

ɜ

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having the form of a ring

ellipsoidal

Adjective

e

ɪ

ll

l

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ɪ

p

s

oi

ɔɪ

d

a

ə

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resembling an ellipse or an oval-shaped object

oblong

Adjective

o

ɑ

b

l

o

ɔ

n

g

having an elongated shape as an oval

parabolic

Adjective

p

a

ɛ

r

a

ə

b

o

ɑ

l

i

ɪ

c

k

resembling a curve that is U-shaped or bowl-shaped

serrated

Adjective

s

e

ɛ

rr

r

a

eɪ

t

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ɪ

d

having a series of sharp, pointed projections along the edge

rhomboid

Adjective

r

h

o

ɑ:

m

b

oi

ɔɪ

d

resembling a slanted or tilted rectangle

octagonal

Adjective

o

ɑ

c

k

t

a

æ

g

o

ə

n

a

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having the shape or characteristics of an octagon, which is a polygon with eight sides and eight angles

tetrahedral

Adjective

t

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ɛ

t

r

a

h

e

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d

r

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characterized by or resembling a tetrahedron, which has four triangular faces

pentagonal

Adjective

p

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ɛ

n

t

a

æ

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having the shape of a pentagon, which is characterized by five straight sides and five angles

cone-shaped

Adjective

/kˈoʊnʃˈeɪpt/

having the form or characteristics of a cone, which is a three-dimensional geometric shape with a circular base tapering to a point at the apex

coiled

Adjective

c

k

oi

ɔɪ

l

e

d

having a spiral or wound shape, often forming a series of loops or turns

uncoiled

tubular

Adjective

t

u

b

u

j

ə

l

a

ɜ

r

having the shape or characteristics of a tube

toroidal

Adjective

t

o

o:

r

oi

ɔɪ

d

a

ə

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resembling a doughnut or a ring-shaped object

pyramidal

Adjective

p

y

ɜ

r

a

æ

m

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ə

d

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resembling a structure with a polygonal base and triangular sides, often tapering to a point at the apex

bulbous

Adjective

b

u

ə

l

b

ou

ə

s

having a rounded, swollen, or bulb-shaped form

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You learned 21 words from Describing Shapes. To improve learning and review vocabulary, start practicing.

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