DEFINITIONS

directional

[ dih-rek-shuh-nl, dahy- ]
/ dɪˈrɛk ʃə nl, daɪ- /

adjective

of, relating to, or indicating direction in space.
Radio. adapted for determining the direction of signals received, or for transmitting signals in a given direction: a directional antenna.
of, relating to, or providing guidance or leadership.

Content related to directional

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Toward vs. TowardsDo you move toward something or towards something? It turns out, you can do both, though some contexts favor one over the other. According to the Chicago Manual of Style, the preferred form in American English is toward without the -s, while the preferred British English form is towards with the -s. This general rule works with other directional words, including forward, backward, upward, and …
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Words nearby directional

direction, direction angle, direction cosine, direction finder, direction number, directional, directional derivative, directional drilling, directional microphone, directions, directive

Origin of directional

First recorded in 1605–15; direction + -al1

OTHER WORDS FROM directional

di·rec·tion·al·i·ty, noundi·rec·tion·al·ly, adverbun·di·rec·tion·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for directional

British Dictionary definitions for directional

directional
/ (dɪˈrɛkʃənəl, daɪ-) /

adjective

of or relating to a spatial direction
electronics
  1. having or relating to an increased sensitivity to radio waves, sound waves, nuclear particles, etc, coming from a particular direction
  2. (of an aerial) transmitting or receiving radio waves more effectively in some directions than in others
physics electronics
  1. concentrated in, following, or producing motion in a particular direction
  2. indicating direction
indicating the direction something, such as a fashion trend, might takedirectional fashion looks

Derived forms of directional

directionality, noun
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