directional

di·rec·tion·al

adj \-shnəl, -shə-n^əl\

Definition of DIRECTIONAL

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

— di·rec·tion·al·i·ty \-ˌrek-shə-ˈna-lə-tē\ noun

Examples of DIRECTIONAL

1. We work with maps to improve the students' directional skills.
2. the directional signal lights on an automobile
3. The radio has a directional antenna.

First Known Use of DIRECTIONAL

1842

Rhymes with DIRECTIONAL

affectional, cross-sectional