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
Unlike the enthusiastic kneading associated with a deep-tissue massage, manual lymphatic drainage massage is deliberately light, using gentle, directional movements to encourage lymph towards functioning lymph nodes. Chloe Burcham, Vogue, 30 July 2026 Punting was the primary focus Thursday, with Bryce Baringer booming several balls in a period devoted to directional punting. Andrew Callahan, Boston Herald, 30 July 2026 Highstar’s unified architecture simplifies equipment selection by offering standardized current collection, directional venting, and pressure relief across all three tiers. Mrigakshi Dixit, Interesting Engineering, 27 July 2026 Fine directional lines catch and move with the light, giving the blade a more refined visual texture without changing the underlying cutting geometry. New Atlas, 21 July 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

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Cite this Entry

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