HARMFUL: Synonyms and Related Words. What is Another Word for HARMFUL?

Need another word that means the same as “harmful”? Find 14 synonyms and 30 related words for “harmful” in this overview.

The synonyms of “Harmful” are: damaging, injurious, detrimental, dangerous, deleterious, unfavourable, negative, disadvantageous, unhealthy, unwholesome, hurtful, baleful, wounding, destructive

Harmful as an Adjective

Definitions of "Harmful" as an adjective

According to the Oxford Dictionary of English, “harmful” as an adjective can have the following definitions:

  • Causing or likely to cause harm.
  • Causing or capable of causing harm.

Synonyms of "Harmful" as an adjective (14 Words)

balefulHaving a harmful or destructive effect.
Bill shot a baleful glance in her direction.
damagingCausing physical damage.
New cars are less damaging to the environment.
dangerousAble or likely to cause harm or injury.
Unemployment reached dangerous proportions.
deleteriousCausing harm or damage.
Deleterious chemical additives.
destructiveCausing great and irreparable damage.
Destructive criticism.
detrimentalTending to cause harm.
Moving her could have a detrimental effect on her health.
disadvantageousInvolving or creating unfavourable circumstances that reduce the chances of success or effectiveness.
A disadvantageous outcome.
hurtfulCausing distress to someone’s feelings.
Her hurtful unconsidered words.
injuriousHarmful to living things.
Food which is injurious to health.
negativeHaving a negative charge.
A colorless negative personality.
unfavourableTending to hinder or oppose.
Unfavourable economic conditions.
unhealthy(of a person’s attitude or behaviour) not sensible or well balanced.
Unhealthy ulcers.
unwholesomeDetrimental to physical or moral well-being.
The use of the living room as sleeping quarters led to unwholesome crowding.
woundingCausing harm to a person’s feelings or reputation.
A wounding description of their mother.

Usage Examples of "Harmful" as an adjective

  • Too much sun is harmful to the skin.
  • The ozone layer blocks the harmful rays from the sun.
  • Sugars which can be harmful to the teeth.
  • Harmful effects of smoking.

Associations of "Harmful" (30 Words)

counterproductiveTending to hinder the achievement of a goal.
Child experts fear the Executive s plans may prove counterproductive.
damageInflict damage upon.
The car was badly damaged in the accident.
damagingCausing physical damage.
Damaging allegations of corruption.
deadlyExceedingly harmful.
My end of the theatre is deadly at the moment.
deleteriousCausing harm or damage.
Deleterious chemical additives.
destructiveNegative and unhelpful.
A policy that is destructive to the economy.
detrimental(sometimes followed by `to’) causing harm or injury.
Moving her could have a detrimental effect on her health.
exotoxinA toxin released by a living bacterial cell into its surroundings.
fatalHaving extremely unfortunate or dire consequences; bringing ruin.
Such doctrines if true would be absolutely fatal to my theory.
harmCause or do harm to.
The villains didn t harm him.
hurtHurt the feelings of.
Dogs and cats with hurt paws.
injurious(of language) maliciously insulting; libellous.
Food which is injurious to health.
injuryA casualty to military personnel resulting from combat.
Compensation for injury to feelings.
insultingDisrespectful or scornfully abusive.
Insulting remarks.
libellousContaining or constituting a libel.
A libellous newspaper story.
libelous(used of statements) harmful and often untrue; tending to discredit or malign.
noxiousHarmful, poisonous, or very unpleasant.
They were overcome by the noxious fumes.
perniciousWorking or spreading in a hidden and usually injurious way.
The pernicious influences of the mass media.
poisonKill by its poison.
She poisoned her husband.
poisoningThe physiological state produced by a poison or other toxic substance.
Symptoms of poisoning may include nausea diarrhoea and vomiting.
poisonous(of an animal) producing poison as a means of attacking enemies or prey; venomous.
A poisonous snake.
prejudicial(sometimes followed by `to’) causing harm or injury.
The proposals were considered prejudicial to the city centre.
ruinousCausing injury or blight; especially affecting with sudden violence or plague or ruin.
A ruinous course of action.
slanderous(of a spoken statement) false and malicious.
Slanderous allegations.
toxicDenoting securities that are based on toxic debt and for which there is not a healthy or functioning market.
Toxic liver injury.
toxinA poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species.
unhealthyNot conducive to good health.
An unhealthy obsession with fast cars.
venomToxin secreted by animals; secreted by certain snakes and poisonous insects (e.g., spiders and scorpions.
His voice was full of venom.
virulentInfectious; having the ability to cause disease.
Staphylococcus aureus is a common organism whose virulent strains are causing problems.
woundInflict a wound on.
A wound to the thigh.

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