first-line
adjective
: being the preferred, standard, or first choice
first-line treatment of tuberculosis
compare second-line
Synonyms
Examples of first-line in a Sentence
surgery is usually not considered a first-line treatment for this type of cancer
Recent Examples on the Web
In 2019, a typical first-line factory supervisor with a $63,000 annual salary could have afforded the average house in Greenfield, their research found.
—
Genevieve Redsten, Journal Sentinel, 14 Nov. 2024
From being a first-line manager to a VP, SVP and general manager, each role required different leadership skills—many of which have similarities to sports leadership.
—Lorrissa Horton, Forbes, 25 Oct. 2024
The first-line treatment option for flu during pregnancy typically is an antiviral medication, such as Tamiflu (oseltamivir).
—Laura Dorwart, Verywell Health, 24 Oct. 2024
Creating a better sleep environment: Going to bed at the same time every night and keeping your bedroom cool, dark, and quiet are often the first-line ways to improve sleep.
—Carley Millhone, Health, 10 Oct. 2024
See all Example Sentences for first-line 
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Genevieve Redsten, Journal Sentinel, 14 Nov. 2024
From being a first-line manager to a VP, SVP and general manager, each role required different leadership skills—many of which have similarities to sports leadership.
—Lorrissa Horton, Forbes, 25 Oct. 2024
The first-line treatment option for flu during pregnancy typically is an antiviral medication, such as Tamiflu (oseltamivir).
—Laura Dorwart, Verywell Health, 24 Oct. 2024
Creating a better sleep environment: Going to bed at the same time every night and keeping your bedroom cool, dark, and quiet are often the first-line ways to improve sleep.
—Carley Millhone, Health, 10 Oct. 2024
See all Example Sentences for first-line
Dictionary Entries Near first-line
Cite this Entry
“First-line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first-line. Accessed 1 Dec. 2024.
Copy CitationMedical Definition
first-line
adjective
: being the preferred, standard, or first choice
first-line treatment of advanced breast cancer
compare second-line
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