guideline

[ gahyd-lahyn ]
/ ˈgaɪdˌlaɪn /

noun

any guide or indication of a future course of action: guidelines on the government's future policy.
a lightly marked line used as a guide, as in composing a drawing, a typed page, or a line of lettering.
a rope or cord that serves to guide one's steps, especially over rocky terrain, through underground passages, etc.
a rope or wire used in guiding the movement of stage scenery or curtains being raised or lowered.

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Origin of guideline

An Americanism dating back to 1775–85; guide + line1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for guideline

British Dictionary definitions for guideline

guideline
/ (ˈɡaɪdˌlaɪn) /

noun

a principle put forward to set standards or determine a course of action
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012