directional

1 of 2

adjective

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

2 of 2

noun

di·​rec·​tion·​al·​i·​ty də̇ˌrekshəˈnalətē How to pronounce directionality (audio)
(ˌ)dīˌ-
plural -es
1
: the property of directional selectivity or precision
a scintillation counter was devised in such a fashion as to give a directionality of fifteen degrees and adequate sensitivitySurgical Forum
2
: maintenance of direction
among these properties is that of directionalityC. K. Kluckhohn

Examples of directional in a Sentence

Adjective 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
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Adjective
Astaire’s dance steps are always directional, carrying him somewhere and toward something—the girl, the boat, the park bench. Adam Gopnik, New Yorker, 7 Sep. 2026 Michigan avoided what would have been one of the most embarrassing losses in program history to the directional school after Bryce Underwood connected with wide receiver JJ Buchanan on a Hail Mary for a 13-12 victory. Mark Harris Outkick, FOXNews.com, 7 Sep. 2026 The first, which takes design cues from the Multichron Pilot that Gallet introduced in 1969, showcases a 42 mm case, a bi-directional bezel, a telemeter scale, and a date window. Rachel Cormack, Robb Report, 3 Sep. 2026 When robot arms undergo rapid directional shifts and accelerations up to 10 g, this internal steel cable absorbs the primary tensile loads. IEEE Spectrum, 3 Sep. 2026 See All Example Sentences for directional

Word History

First Known Use

Adjective

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 16 Sep. 2026.

Kids Definition

directional

adjective
1
: relating to or indicating direction
directional signal lights on an automobile
2
: relating to direction or guidance especially of thought or effort
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