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

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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Examples of unhealthful in a Sentence

Recent Examples on the Web Each year, Fresno residents withstand about 51 days — more than seven weeks — of unhealthful levels of fine particulate in the air. Tony Briscoestaff Writer, Los Angeles Times, 11 June 2022 The map is color coded to indicate whether the air is good, unhealthful or hazardous. Los Angeles Times, 31 Aug. 2021 Over the last few years, similar periods of unhealthful air in SoCal were the result of massive heat waves and wildfires burning across the region. Laura Newberry, Los Angeles Times, 13 Dec. 2021 Comfort foods are often associated with eating that's unhealthful, but that doesn't have to be the case. Bethany Thayer, Detroit Free Press, 19 Dec. 2021 The Environmental Protection Agency, National Weather Service and local health agencies monitor air quality across the country and issue warnings when air quality reaches unhealthful levels. Washington Post, 28 July 2021 Areas near Chester are expected to receive the worst of its unhealthful effects. Hayley Smith, Los Angeles Times, 1 Sep. 2021 During periods of unhealthful air quality, limit your time outdoors. Washington Post, 28 July 2021 Local governments joined Tuesday in declaring an air quality alert for Wednesday, meaning conditions might become unhealthful for sensitive groups. Washington Post, 21 July 2021 See More

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.

First Known Use of unhealthful

1580, in the meaning defined above

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The first known use of unhealthful was in 1580

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Last Updated

18 Jun 2022

Cite this Entry

“Unhealthful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unhealthful. Accessed 27 Jun. 2022.

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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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