Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of or indicating direction.
  • adjective Electronics Capable of receiving or sending signals in one direction only.
  • adjective Relating to guidance in effort, behavior, or thought.
  • noun A directional signal.

from The Century Dictionary.

  • Pertaining or relating to direction.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective of or pertaining to direction (definition 2).
  • adjective serving to indicate direction.
  • adjective (Radio) transmitting radio signals in a specific direction, or receiving signals only from a narrow angle of directions, thus serving to indicate the direction from which radio signals are coming. Used of antennas.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Indicating direction.
  • adjective Of or relating to guidance or help.
  • noun Something that indicates direction, such as a turn signal.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective relating to direction toward a (nonspatial) goal
  • adjective relating to or indicating directions in space
  • adjective showing the way by conducting or leading; imposing direction on

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

direction +‎ -al

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Examples

  • One of the objects of this invention is to provide a tank having an extensible leg capable of imparting a series of vertical oscillations to the tank, and having means to vary the angle of inclination of the leg to obtain directional movement of the tank.

    Boing Boing 2009

  • I once heard it was found to be better in directional terms than the more glamorous US-style wail.

    The Art Of Noise « POLICE INSPECTOR BLOG Inspector Gadget 2008

  • But forecasting long-term directional change is possible by identifying trends through an analysis of deep history rather than of the shallow past.

    Ten Trends To Watch In 2006 McKinsey Quarterly 2006

  • The Puerto Rico Electric Power Authority is barely starting in directional drilling.

    Directional Drilling Contractors 2001

  • The Puerto Rico Electric Power Authority is barely starting in directional drilling.

    Directional Drilling Contractors 2001

  • The Puerto Rico Electric Power Authority is barely starting in directional drilling.

    Directional Drilling Contractors 2001

  • The Puerto Rico Electric Power Authority is barely starting in directional drilling.

    Directional Drilling Contractors 2001

  • The data provided by the CFTC provides some of the best intermediate to long-term directional indicators available, particularly when an extreme is hit.

    unknown title 2011

  • The data provided by the CFTC provides some of the best intermediate to long-term directional indicators available, particularly when an extreme is hit.

    unknown title 2011

  • The data provided by the CFTC provides some of the best intermediate to long-term directional indicators available, particularly when an extreme is hit.

    unknown title 2011

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