Antonym: harmless. Similar words: charm, harmony, harmonize, harmonious, farm, arm, warm, farmer. Meaning: ['hɑrmfʊl /hɑːm-] adj. 1. injurious to physical or mental health 2. able or likely to do harm 3. causing or capable of causing harm 4. constituting a disadvantage 5. contrary to your interests or welfare 6. tending to cause great harm.
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(121) The self-interest behind such measures and the harmful effects in Third World countries are plain for all to see.
(122) The destruction of the ozone layer will have a very harmful effect on the environment.
(123) Initially there were concerns about the possibly harmful effects of athletics and exercise.
(124) Most people are aware of the harmful effects of smoking.
(125) Essentially the bacteria change the harmful ammonia and nitrites that are produced into harmless nitrates that are useful to living plants.
(126) There have been no studies, he says, on whether it may be harmful to use the drugs over several years.
(127) We will meet our international obligations to reduce harmful chimney emissions.
(128) The rift between conventional and complementary medicine has had many harmful effects.
(129) So when it's added to harmful substances, it makes them unpalatable.
(130) AirX is non-toxic and completely biodegradable and contains no harmful ingredients.
(131) The problem is, what is good to eat and what is harmful?
(132) The protests were aimed at ending the dumping of harmful industrial waste at sea.
(133) Two separate surveys found that many prepacked sandwiches were being stored at dangerously high temperatures, causing the spread of harmful bacteria.
(134) A Skin is waterproof and keeps harmful materials such as detergents and allergic compounds out, and water in.
(135) Other chips may detect the presence of moulds or harmful bacteria.
(136) Is it not the case that such a religion is by its very nature harmful to the cause of human equality?
(137) This is not to say that lower gliadin doses are not potentially harmful to coeliac disease subjects.
(138) Jogging went out when it was found to be harmful for the joints.
(139) The sun's rays can be very harmful to the skin.
(140) Suppose a regulation were being considered by your local government that you considered unjust or harmful.
(141) Thorough cooking kills harmful bacteria,(http://sentencedict.com/harmful.html) so be sure ground meat and poultry are cooked to the well-done stage.
(142) However, lead emissions from car exhausts are an atmospheric pollutant that may be harmful to people's health.
(143) One objective is to reduce waste by 50 percent by 1995, particularly substances harmful to the environment.
(144) The mushrooms themselves are only as harmful as most other hallucinogens.
(145) His resistance to her demand will be as harmful as compliance, but her misery commands his sympathy.
(146) The intact skin acts as a barrier between the internal and the external environment which contains many potentially harmful agents.
(147) Certain deficiencies, of vitamins or iodine, can be harmful, and there are serious dangers from mercurial or lead poisoning.
(148) There is no sound evidence of Ginseng inducing harmful side effects.
(149) Perhaps the best approach is to devise methods by which patients conclude for themselves that smoking is harmful and undesirable.
(150) PLA2 has been considered earlier to act mainly as a harmful agent in the pathology of various inflammatory diseases including acute pancreatitis.