chemtrail
noun
chem·trail
ˈkem-ˌtrāl 
plural chemtrails
: a long-lasting airplane contrail believed to be composed of harmful chemical or biological agents that are dispersed as part of a conspiracy (as to manipulate the environment or the population)
In a … study of the public's belief in conspiracy theories, … 12% said world governments use chemtrails to secretly poison their people.—
Chas Newkey-Burden
Chas Newkey-BurdenAirplane contrails have probably gotten more than their fair share of attention over the years. In particular, they've provided consistent fodder for conspiracy theorists convinced that condensation trails are actually "chemtrails" resulting from secret government chemical spraying programs.—Earth Island Journal
Earth Island JournalAccording to myriad conspiracy theories, some of those "harmless" vapors are instead sinister "chemtrails." … Some say the cloudy lines are part of government weather-controlling experiments; others say that they're a form of germ warfare.—Benjamin Radford
Benjamin RadfordExamples of chemtrail in a Sentence
Recent Examples on the Web
But in Florida democracy, a majority is less than a whiff of a puff of a nonexistent chemtrail.
—
Pat Beall,
Sun Sentinel,
23 Jan. 2026
Out with her partner, Helen (Miriam Shor), one evening, Carol notices aircraft dumping chemtrails overhead, a curiosity that leads, moments later, to Helen’s death and that of nearly a billion people worldwide.
—
Graham Hillard,
The Washington Examiner,
28 Nov. 2025
Conspiracy theorists say that contrails – long streaks of condensation left by aircraft – are actually chemtrails, clouds of chemical or biological agents dumped on the unsuspecting public for nefarious purposes.
—
Calum Lister Matheson,
The Conversation,
14 Nov. 2025
Delany, who was ousted in August from HHS, said Kennedy has expressed strong interest in chemtrails.
—
Stephanie Armour,
CNN Money,
16 Oct. 2025
Conspiracies, chemtrails and sabotage In the 1990s, Betterton was researching cloud seeding along the Mogollon Rim.
—
Hayleigh Evans,
AZCentral.com,
17 Aug. 2025
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Pat Beall,
Sun Sentinel,
23 Jan. 2026
Out with her partner, Helen (Miriam Shor), one evening, Carol notices aircraft dumping chemtrails overhead, a curiosity that leads, moments later, to Helen’s death and that of nearly a billion people worldwide.
—
Graham Hillard,
The Washington Examiner,
28 Nov. 2025
Conspiracy theorists say that contrails – long streaks of condensation left by aircraft – are actually chemtrails, clouds of chemical or biological agents dumped on the unsuspecting public for nefarious purposes.
—
Calum Lister Matheson,
The Conversation,
14 Nov. 2025
Delany, who was ousted in August from HHS, said Kennedy has expressed strong interest in chemtrails.
—
Stephanie Armour,
CNN Money,
16 Oct. 2025
Conspiracies, chemtrails and sabotage In the 1990s, Betterton was researching cloud seeding along the Mogollon Rim.
—
Hayleigh Evans,
AZCentral.com,
17 Aug. 2025
Cite this Entry
“Chemtrail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemtrail. Accessed 4 Jul. 2026.
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