directional

adjective

di·​rec·​tion·​al də-ˈrek-sh(ə-)nəl How to pronounce directional (audio)
1
: of, relating to, or indicating direction in space:
a
: suitable for detecting the direction from which radio signals come or for sending out radio signals in one direction only
a directional antenna
b
: operating most effectively in a particular direction
a directional microphone
2
: relating to direction or guidance especially of thought or effort
directionality noun

Examples of directional in a Sentence

We work with maps to improve the students' directional skills. the directional signal lights on an automobile The radio has a directional antenna.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
One is a compass-like mechanism, whereby the Earth exerts a pull on magnetic particles in a bird’s upper beak that relays directional information via a large nerve in the cranium. ArsTechnica, 28 May 2026 The penguin inspiration comes from how the animals manage heat using layered structures, directional insulation, waterproofing, and environmental adaptation. New Atlas, 25 May 2026 An unexpected directional change may bring money questions to the forefront. Usa Today, USA Today, 25 May 2026 From the quiet elegance of a silk slip to the directional edge of a denim midi there's an array of styles to suit every occasion. Vanessa Powell, InStyle, 24 May 2026 See All Example Sentences for directional

Word History

First Known Use

1842, in the meaning defined at sense 1

Time Traveler
The first known use of directional was in 1842

Browse Nearby Words

Cite this Entry

“Directional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/directional. Accessed 6 Jun. 2026.

Kids Definition

directional

adjective
di·​rec·​tion·​al də-ˈrek-sh(ə-)nəl How to pronounce directional (audio)
dī-
1
: relating to or indicating direction
directional signal lights on an automobile
2
: relating to direction or guidance especially of thought or effort

More from Merriam-Webster on directional

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster