Synonyms of detrimental

detrimental

adjective

ˌde-trə-ˈmen-tᵊl 

as in harmful

causing or capable of causing harm

there were serious concerns that the factory's waste was detrimental to the local environment

Synonyms & Similar Words

• harmful
• damaging
• adverse
• dangerous
• bad
• hazardous
• deleterious
• injurious
• poisonous
• prejudicial
• infectious
• pernicious
• hurtful
• evil
• baneful
• noxious
• ill
• mischievous
• destructive
• wicked
• hostile
• baleful
• nocuous
• unsafe
• deadly
• threatening
• risky
• lethal
• inimical
• infective
• venomous
• sinister
• unfriendly
• insidious
• ominous
• fatal
• contagious
• perilous
• menacing
• unhealthy
• unhealthful
• ruinous
• unsound
• killer
• unwholesome
• malignant
• jeopardizing
• pestilential
• pestiferous
• imperilling
• imperiling
• pestilent
• nasty
• parlous
• noisome

Antonyms & Near Antonyms

• beneficial
• harmless
• safe
• benign
• useful
• advantageous
• innocuous
• innocent
• favorable
• good
• inoffensive
• healthy
• helpful
• propitious
• healthful
• salutary
• wholesome
• remedial
• anodyne
• curative
• salubrious
• hurtless
• sound
• secure
• palliative
• nontoxic
• nondestructive
• benignant
• nonpoisonous
• nonlethal
• noncorrosive
• noninfectious
• nonfatal
• nonpolluting
• nonvenomous

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detrimental effects

devastating effects

damaging effects

disastrous effects

negative effects

destructive effects

detrimental behavior

harmful behavior

problematic behavior

undesirable behavior

toxic behavior

negative behavior

detrimental substances

dangerous substances

bad substances

terrible substances

harmful substances

troublesome substances

detrimental aspects

adverse aspects

unfavorable aspects

unfortunate aspects

horrible aspects

unpleasant aspects

a detrimental disturbance

a disruptive disturbance

a distressing disturbance

an undesirable disturbance

an adverse disturbance

a considerable disturbance

Synonym Chooser

How is the word detrimental different from other adjectives like it?

Some common synonyms of detrimental are baneful, deleterious, noxious, and pernicious. While all these words mean "exceedingly harmful," detrimental implies obvious harmfulness to something specified.

the detrimental effects of excessive drinking

When would baneful be a good substitute for detrimental?

While the synonyms baneful and detrimental are close in meaning, baneful implies injury through poisoning or destroying.

the baneful notion that discipline destroys creativity

Where would deleterious be a reasonable alternative to detrimental?

The meanings of deleterious and detrimental largely overlap; however, deleterious applies to what has an often unsuspected harmful effect.

a diet found to have deleterious effects

When can noxious be used instead of detrimental?

The synonyms noxious and detrimental are sometimes interchangeable, but noxious applies to what is both offensive and injurious to the health of a body or mind.

noxious chemical fumes

When could pernicious be used to replace detrimental?

While in some cases nearly identical to detrimental, pernicious implies irreparable harm done through evil or insidious corrupting or undermining.

the claim that pornography has a pernicious effect on society

Example Sentences

Recent Examples of detrimental

Less than six months into his second term as president, Donald Trump has initiated or proposed more than 150 actions that experts say are detrimental to the environment, which range from cancelling climate grant programs to loosening regulations that govern air and water quality. —Hayley Smith, Los Angeles Times, 18 May 2025

Kelly Cunningham, San Diego Institute for Economic Research NO: Attempts at micromanaging the economy are unproductive and detrimental. —Phillip Molnar, Mercury News, 16 May 2025

However, losing him for OTAs, minicamp, training camp, and more could be detrimental to establishing his chemistry with the offense. —James Brizuela, MSNBC Newsweek, 8 May 2025

Pradeep Kumar Saxena, India’s former Indus Water Commissioner, told the Press Trust of India news agency in April that the country can stop sharing data with Pakistan after the pact’s suspension, which could be detrimental during monsoon season. —Chad De Guzman, Time, 7 May 2025