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Meaning ofdirectionalin English

directional

us//dɪˈɹɛk.shənəl//uk//daɪˈɹɛk.ʃənəl//

Definitions

Adjective
1. indicating or showing direction; guidance
  The directional signs helped us find our way.
2. relating to assistance or advice; navigation
  The company provides directional support to its customers.
Noun
1. a device (e.g. signal) showing direction
  A directional antenna is used to improve signal strength.

Compounds / Phrases

bidirectional multidirectional directional signal