: preparing for or preliminary to flight (as of an aircraft)
a preflight inspection

preflight

2 of 3

verb

preflighted; preflighting; preflights

transitive verb

: to inspect (an aircraft) before a flight

preflight

3 of 3

noun

: a preflight inspection of an aircraft

Examples of preflight in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
The rocket reached an orbit approximately 280 miles (450 kilometers) high at an inclination of 60 degrees to the equator, quite close to preflight predictions. Stephen Clark, ArsTechnica, 24 July 2026 The panic from the occupants struggling to grab floatation devices helped spur aviation-safety reforms, including mandatory preflight passenger briefings and improvements involving flotation equipment. Landon Mion, FOXNews.com, 22 July 2026
Noun
Don’t Overdo the Booze While a preflight or in-flight cocktail might sound like a good idea to calm jangled nerves, both experts caution against overusing alcohol to manage anxiety in the air. Jill Robbins, Travel + Leisure, 5 June 2026 American Airlines noted that drivers should never assume a pilot can see them, especially in high-traffic areas such as aprons and ramps, where crews are occupied with critical preflight checks. Chase Jordan, Charlotte Observer, 16 Apr. 2026 See All Example Sentences for preflight

Word History

First Known Use

Adjective

1942, in the meaning defined above

Verb

1945, in the meaning defined above

Noun

1950, in the meaning defined above

Time Traveler
The first known use of preflight was in 1942

Browse Nearby Words

Cite this Entry

“Preflight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/preflight. Accessed 29 Jul. 2026.

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