Dictionary.com
Thesaurus.com

four-dimensional

American  
[fawr-di-men-shuh-nl, fohr-] / ˈfɔr dɪˈmɛn ʃə nl, ˈfoʊr- /

adjective

Mathematics.
  1. of a space having points, or a set having elements, which require four coordinates for their unique determination.


four-dimensional British  

adjective

  1. having or specified by four dimensions, esp the three spatial dimensions and the dimension of time

    a four-dimensional continuum

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of four-dimensional

First recorded in 1875–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In most series, which might employ several over a season, they are interchangeable — which isn’t to say they aren’t valuable, transforming words on a page into a four-dimensional living thing.

From Los Angeles Times Jun. 20, 2026

Eternalism is the idea that time doesn’t flow or pass — that all events across all time are equally real within a four-dimensional structure known as the “block universe.”

From Science Daily Jun. 8, 2026

After three months of research and development, the end result is a whimsical meal surrounded by four-dimensional art that diners can interact with, not simply observe.

From Salon Oct. 5, 2025

Senator Roger Marshall, Republican of Kansas, described Mr. McConnell as “large and in charge of our lunches: He’s still playing four-dimensional chess up here when it comes to politics.”

From New York Times Jul. 27, 2023

In general relativity, bodies always follow straight lines in four-dimensional space-time, but they nevertheless appear to us to move along curved paths in our three- dimensional space.

From "A Brief History of Time: And Other Essays" by Stephen Hawking

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training