Definition of unhealthful in US English:

unhealthful

adjective

  • Harmful to health.

    ‘radon can build up to unhealthful levels’
    • ‘Apparently the manufacturers of these items feel that trans-fats are so unhealthful that consumers won't buy products that use them.’
    • ‘Food and beverage companies are using television ads to entice children into eating massive amounts of unhealthful food, leading to a sharp increase in childhood obesity and diabetes, a national science advisory panel said yesterday.’
    • ‘Average consumption of trans fatty acids - an unhealthful type of fat found in margarine, baked goods and many processed foods - also rose.’
    • ‘These unhealthful eating habits carried on into adulthood, and by the time I entered my mid-20s, I ate whatever my heart desired, without any thoughts about nutrition.’
    • ‘Don't let corporations con you into eating and drinking unhealthful foods in crazy quantities.’
    • ‘Even with a seemingly endless June gloom - which keeps down temperatures and smog - area residents have inhaled unhealthful levels of pollution twice as often as last year, which was no fresh-air vacation.’
    • ‘Instead of following a rigid plan, substitute an unhealthful habit for a better one.’
    • ‘Although they offer powerful health benefits, monounsaturates and polyunsaturates are still fats and should be used sparingly, since they contain just as many calories as their unhealthful siblings.’
    • ‘The more of these high-fiber, nutrient-rich foods you include in your meals, the less room you'll have for unhealthful high-calorie, low-nutrient fare.’
    • ‘It's over-eating, eating unhealthful food, & the lack of exercise which heightens the probability of one getting fat.’
    • ‘However, the Supreme Court and lower courts held that states could use their police power to aid through legislation women, children, and men in especially unhealthful occupations such as underground mining.’
    • ‘In addition, attention has been drawn to the importance of particular sexual behaviors - many of them unhealthful for both men and women - for the performance of masculinity.’
    • ‘Weight-conscious mothers beware: Counting your young daughter's calories - and your own - may lead her to develop unhealthful eating habits.’
    • ‘Encourage kids to replace one unhealthful lunchbox item with a wholesome one; start a classroom garden; offer to arrange for chefs to visit your child's classroom for a cooking demonstration.’
    • ‘He concluded first that common knowledge did not suggest that baking was unhealthful.’
    • ‘This biological process wasted food and, with expanding scientific knowledge of bacteria during the late-nineteenth and early-twentieth centuries, began to be seen as unhealthful.’
    • ‘For example, colleagues and I have discovered that a substantial minority of Americans think of fat and salt as toxins, such that any amount of these necessary nutrients is considered unhealthful.’
    • ‘Health officials have declared the air to be unhealthful.’
    • ‘People living in areas that scored highest on the sprawl scale reported the most problems, with the unhealthful effects appearing to disproportionately affect the poor and the elderly.’
    • ‘A growing body of research has examined the relationship between reading magazines of this genre and the development of cognitions consistent with body image disturbance and unhealthful attitudes about food.’

Pronunciation

unhealthful

/ˌənˈhelTHfəl/