harmful
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Related to harmful: unharmful
harm·ful
(härm′fəl)adj.
Causing or capable of causing harm; injurious.
harm′ful·ly adv.
harm′ful·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
harmful
(ˈhɑːmfʊl)adj
causing or tending to cause harm; injurious
ˈharmfully adv
ˈharmfulness n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
harm•ful
(ˈhɑrm fəl)adj.
causing or capable of causing harm; injurious.
[before 1000]
harm′ful•ly, adv.
harm′ful•ness, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
harmful
- catalytic converter - A device with a catalyst for converting pollutant gases into less harmful ones.
- allergen - Though allergens are not harmful themselves, when they are combined with certain antibodies, a reaction (i.e. the allergy) liberates substances that damage body cells and tissues.
- intrigant - A person who plots something illicit or harmful.
- nocuous - Meaning "harmful, noxious," it is based on Latin nocere, "to hurt."
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.
harmful
If something is harmful to someone or harmful for them, it has a bad effect on them.
Too much salt can be harmful to a young baby.
Potassium could be harmful for those with impaired kidneys.
You can also say that something is harmful to a thing.
Excessive amounts may be harmful to the skin.
Collins COBUILD English Usage © HarperCollins Publishers 1992, 2004, 2011, 2012
ThesaurusAntonymsRelated WordsSynonymsLegend:
Switch to new thesaurus
| Adj. | 1. | harmful - causing or capable of causing harm; "too much sun is harmful to the skin"; "harmful effects of smoking" disadvantageous - constituting a disadvantage malign - evil or harmful in nature or influence; "prompted by malign motives"; "believed in witches and malign spirits"; "gave him a malign look"; "a malign lesion" destructive - causing destruction or much damage; "a policy that is destructive to the economy"; "destructive criticism" noxious - injurious to physical or mental health; "noxious chemical wastes"; "noxious ideas" offensive - causing anger or annoyance; "offensive remarks" painful - causing physical or psychological pain; "worked with painful slowness" toxic - of or relating to or caused by a toxin or poison; "suffering from exposure to toxic substances" unwholesome - detrimental to physical or moral well-being; "unwholesome food"; "unwholesome habits like smoking" harmless - not causing or capable of causing harm; "harmless bacteria"; "rendered the bomb harmless" |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
harmful
adjective damaging, dangerous, negative, evil, destructive, hazardous, unhealthy, detrimental, hurtful, pernicious, noxious, baleful, deleterious, injurious, unwholesome, disadvantageous, baneful, maleficent the harmful effects of smoking
beneficial, harmless, good, safe, healthy, helpful, wholesome, innocuous
beneficial, harmless, good, safe, healthy, helpful, wholesome, innocuous
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
harmful
adjectiveCausing harm or injury:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
TranslationsSelect a language:
Spanish / Español
harmful
[ˈhɑːmfʊl] ADJ [substance, chemical] → dañino, nocivo; [effects, consequences] → perjudicial, pernicioso; (to reputation) → perjudicial (to para) tobacco is harmful to the health → el tabaco perjudica seriamente la saludthe chemical is not harmful to plants → el producto químico no es nocivo para or no daña las plantas
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
harm
(haːm) noun damage; injury; distress. I'll make sure you come to no harm; He meant no harm; It'll do you no harm to go.daño, mal, perjuicio
verb to cause (a person) harm. There's no need to be frightened – he won't harm you.hacer daño, lastimar
ˈharmful adjective doing harm. Medicines can be harmful if you take too much of them.nocivo, perjudicial, dañino
ˈharmless adjective not dangerous or liable to cause harm. Don't be frightened of that snake – it's harmless.inofensivo, inocuo
ˈharmlessly adverb inofensivamente
ˈharmlessness nouninocuidad, cualidad de inofensivo
out of harm's way in a safe place. I'll put this glass vase out of harm's way, so that it doesn't get broken. fuera de peligro, a salvo
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
harmful
→ nocivoMultilingual Translator © HarperCollins Publishers 2009
harmful
a. perjudicial, dañino-a.
English-Spanish Medical Dictionary © Farlex 2012
harmful
adj nocivo, dañinoEnglish-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.