three-dimensional

adjective

three-di·​men·​sion·​al ˈthrē-də-ˈmen(t)-sh(ə-)nəl 

also -dī-

1

: of, relating to, or having three dimensions

2

: giving the illusion of depth or varying distances

—used especially of an image or a pictorial representation on a two-dimensional medium when this illusion is enhanced by stereoscopic means

3

: describing or being described in well-rounded completeness

… a three-dimensional analysis of multiple historical processes …

—L. L. Snyder

4

: true to life : lifelike

three-dimensionality

ˈthrē-də-ˌmen(t)-shə-ˈna-lə-tē 

noun

Synonyms of three-dimensional

• realistic
• living
• naturalistic
• natural
• lifelike
• vivid

Examples of three-dimensional in a Sentence

an actress who has been acclaimed for her three-dimensional portrayal of the celebrated monarch

Recent Examples on the Web

Jacquard, mesh and fil coupé raffia created dynamic three-dimensional effects, and a diaphanous oversize trenchcoat reflected Gonella’s fabric research. — Martino Carrera, Footwear News, 28 Sep. 2026

That is my background too, and then also not take anyone for granted, have flawed characters but grounded and real, fully, three-dimensional. — Dessi Gomez, Deadline, 23 Sep. 2026

The current solution adds memory by wiring qubits to electromagnetic resonators, either as flat waveguide structures etched on the chip or three-dimensional microwave cavities. — New Atlas, 23 Sep. 2026

The result is flippy and three-dimensional, with enough movement to keep the darker shade from feeling heavy. — Anna Cafolla, Vogue, 20 Sep. 2026

Word History

First Known Use

1870, in the meaning defined at sense 1

Rhymes for three-dimensional

• interventional
• nonconventional
• nondimensional
• unconventional
• unintentional
• attentional
• conventional
• dimensional
• extensional
• intensional
• intentional
• multidimensional

Kids Definition

three-dimensional

adjective

1

: of, relating to, or having three dimensions (as length, width, and height)

2

: giving the appearance of depth or varying distances