guide·​line | \ ˈgīd-ˌlīn How to pronounce guideline (audio) \

Definition of guideline

: a line by which one is guided: such as
a : a cord or rope to aid a passer over a difficult point or to permit retracing a course
b : an indication or outline of policy or conduct

Examples of guideline in a Sentence

Recent Examples on the Web

Stay up-to-date on the American Academy of Pediatrics' guidelines for drowning prevention, which were updated in March of 2019. Lindsey Murray, Good Housekeeping, "What Every Parent Needs to Know About "Dry Drowning"," 27 Mar. 2019 Keitaro Ohno, a leading defense official in Japan’s parliament, told me and a small group of US reporters in his Tokyo office on Tuesday that the government will announce the decision during a rollout of new defense guidelines next week. Alex Ward, Vox, "Japan plans to purchase nearly 150 F-35 fighter jets from the US," 12 Dec. 2018 Until now, the most rigorous of those guidelines have been available for doctors to peruse in a single location: the government’s Agency for Healthcare Research and Quality’s National Guidelines Clearinghouse (NGC). Ivan Oransky, STAT, "Trump administration is shutting down practice-guidelines clearinghouse for doctors," 13 June 2018 The royal family announced social media guidelines for how online users should interact with its official accounts run by Royal Family, Clarence House, and Kensington Palace. Erica Gonzales, Harper's BAZAAR, "The Royal Family Combats Online Trolls with Official Social Media Guidelines," 4 Mar. 2019 Getty Images In an unprecedented move, Kensington Palace has released official guidelines for interacting with the Royal Family on social media. Lucy Wood, Marie Claire, "Kensington Palace Just Made Moves to Tackle Online Abuse Against the Royal Family," 4 Mar. 2019 A year after the fire, a committee of leading fire experts, Lentini among them, was convened by the National Fire Protection Association to create a set of national guidelines for how a proper fire investigation should be conducted. Maude Campbell, Popular Mechanics, "The 1991 Firestorm That Changed Everything We Thought We Knew About Arson," 8 Nov. 2018 Cosby could face up to 30 years in prison, but the state guidelines for someone like him, with no prior convictions, call for about one to four years behind bars. Kaitlyn Schallhorn, Fox News, "Bill Cosby found guilty of sexual assault: A look at the case," 25 Sep. 2018 But, despite these independent efforts, to date there are no standard guidelines agreed by conservationists. Rogelio Luque-lora, Bill Adams, Ars Technica, "Camera traps designed for animals are now invading human privacy," 24 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'guideline.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of guideline

1785, in the meaning defined above

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Last Updated

11 Apr 2019

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Time Traveler for guideline

The first known use of guideline was in 1785

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More Definitions for guideline



English Language Learners Definition of guideline

: a rule or instruction that shows or tells how something should be done


guide·​line | \ ˈgīd-ˌlīn How to pronounce guideline (audio) \

Kids Definition of guideline

: a rule about how something should be done

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Comments on guideline

What made you want to look up guideline? Please tell us where you read or heard it (including the quote, if possible).


an act or instance of returning to life

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