nondirectional

adjective
non·​di·​rec·​tion·​al | \ ˌnän-də-ˈrek-shnəl How to pronounce nondirectional (audio) , -shə-nᵊl, -(ˌ)dī-\

Definition of nondirectional

: not of, relating to, or indicating direction in space : not directional especially : equally effective in all directions a nondirectional light nondirectional radar

First Known Use of nondirectional

1879, in the meaning defined above

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The first known use of nondirectional was in 1879

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