The meaning of DIRECTIONAL is of, relating to, or indicating direction in space. How to use directional in a sentence.

Directional radio equipment receives or sends stronger signals in particular directions. She had a very directional look. Quinoxalines block the mechanism of directional selectivity in ganglion cells of the …

If something such as a radio antenna, microphone, or loudspeaker is directional, it works most effectively in one direction, rather than equally in all directions at once.

There are nine meanings listed in OED's entry for the adjective directional, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

a purpose or guiding orientation; focus:[uncountable] He seems to lack direction in his life. di•rec•tion•al, adj. [before a noun]: I turned on the car's right directional signal. See -rect-.

DIRECTIONAL definition: of, relating to, or indicating direction in space. See examples of directional used in a sentence.

Directional definition: Of or indicating direction.

Definitions of directional adjective relating to or indicating directions in space “a directional microphone” see more adjective relating to direction toward a (nonspatial) goal

Directional radio equipment receives or sends stronger signals in particular directions. She had a very directional look. And in physics, entropy itself can be viewed as a type of clock, since it's directional. …

Directional means relating to the direction in which something is pointing or going.