: 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
new guidelines on nutrition
Examples of guideline in a Sentence
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Conflicting Guidelines and Policy Changes Fuel Distrust Lack of trust in public health is, in part, also being caused by conflicting information and drastic changes in guidelines from the current administration.
—
Sukhman Rekhi, Verywell Health, 13 Apr. 2026
The therapy is also part of clinical guidelines to prevent and treat oral mucositis — painful mouth ulcers and inflammation that are common among patients undergoing treatments such as chemotherapy and radiation.
—Maria Godoy, NPR, 13 Apr. 2026
Accredited compounding pharmacies are primarily regulated by state boards and required to comply with certain standards and guidelines, Cassileth said.
—Jacqueline Howard, CNN Money, 13 Apr. 2026
To send a letter to the editor about this article, submit online or check out our guidelines for how to submit by email or mail.
—Carla Gennaro, Denver Post, 13 Apr. 2026
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Sukhman Rekhi, Verywell Health, 13 Apr. 2026
The therapy is also part of clinical guidelines to prevent and treat oral mucositis — painful mouth ulcers and inflammation that are common among patients undergoing treatments such as chemotherapy and radiation.
—Maria Godoy, NPR, 13 Apr. 2026
Accredited compounding pharmacies are primarily regulated by state boards and required to comply with certain standards and guidelines, Cassileth said.
—Jacqueline Howard, CNN Money, 13 Apr. 2026
To send a letter to the editor about this article, submit online or check out our guidelines for how to submit by email or mail.
—Carla Gennaro, Denver Post, 13 Apr. 2026
See All Example Sentences for guideline
Cite this Entry
“Guideline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/guideline. Accessed 17 Apr. 2026.
Copy CitationKids Definition
guideline
noun
guide·line
ˈgīd-ˌlīn 
1
: a line by which one is guided
2
: an outline of standards for future policy or action
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