un·​health·​ful | \ ˌən-ˈhelth-fəl also -ˈheltth- How to pronounce unhealthful (audio) \

Definition of unhealthful

: harmful to health of body or mind : unhealthy sense 1 unhealthful levels of water pollution an unhealthful diet an unhealthful tendency to worry

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Synonyms & Antonyms for unhealthful


insalubrious, noisome, noxious, sickly, unhealthy, unwholesome


healthful, healthy

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Examples of unhealthful in a Sentence

Recent Examples on the Web

When the volume was high, 52 percent of the orders were unhealthful, and only 25 percent were considered healthful. Roni Caryn Rabin, New York Times, "‘I’ll Have the Cake.’ The Music Made Me Do It.," 31 May 2018 Temperatures in the upper 90s combined with dew points in the low 70s will push the heat index to unhealthful levels (100-105 + degrees) through at least Tuesday. Greg Porter, Washington Post, "PM Update: Heat advisory issued for Sunday as high temperatures approach the triple digits.," 30 June 2018 When the music was low, only 42 percent of orders were for unhealthful food, and 31 percent of food items were deemed healthful (some food and beverages were considered neutral). Roni Caryn Rabin, New York Times, "‘I’ll Have the Cake.’ The Music Made Me Do It.," 31 May 2018 Behavioral factors — unhealthful eating, a lack of exercise, smoking, and excessive use of alcohol — are among the reasons. Marlon Graf, STAT, "Chronic diseases are taxing our health care system and our economy," 31 May 2018 Overall, the report said about 133 million Americans — more than four of 10 — live with unhealthful levels of air pollution, placing them at risk for premature death and other serious health effects. Editors, USA TODAY, "Tax Day (again), Cuba prepares for new era: 5 things to know Wednesday," 18 Apr. 2018 Some advocates for healthful diets have argued that government should not only encourage people to buy healthier food but also discourage unhealthful habits. Courtney Perkes, Washington Post, "When Food Stamps Pass As Tickets To Better Health," 17 Jan. 2018 Officials also said the San Gabriel Valley and San Gabriel Mountains could see unhealthful air. Ruben Vives, latimes.com, "Wildlife brings smoke, ash, unhealthful air quality to parts of Southern California," 2 Sep. 2017 Risks of contaminants have to be balanced against the overall benefits of traditional foods — and the risks of replacing them with unhealthful and more processed foods, experts say. Yereth Rosen, Alaska Dispatch News, "Polar bears’ switch to land foods showing up in lowered mercury levels," 20 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unhealthful.' 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 unhealthful

1580, in the meaning defined above

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Time Traveler for unhealthful

The first known use of unhealthful was in 1580

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More Definitions for unhealthful


un·​health·​ful | \ -ˈhelth-fəl How to pronounce unhealthful (audio) \

Medical Definition of unhealthful

: detrimental to good health unhealthful working conditions

Other Words from unhealthful

unhealthfulness noun

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behavior toward others

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