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
• inimical
• lethal
• infective
• venomous
• sinister
• unfriendly
• insidious
• ominous
• fatal
• contagious
• perilous
• menacing
• unhealthy
• unhealthful
• ruinous
• unsound
• killer
• unwholesome
• malignant
• pestilential
• jeopardizing
• pestiferous
• 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

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

That interpretation could suggest the mayor of the county’s second-largest city would be prohibited from passing legislation or speaking out against federal laws that may be detrimental to many Chula Vistans. —Michael Smolens, San Diego Union-Tribune, 8 May 2026

The statistics plainly show that the penalty-kill struggles, and a power play that is 0 for 5 in two games, have been detrimental. —Jess Myers, Twin Cities, 8 May 2026

However, in the interest of shedding weight and making the shoe more wearable casually, the changes feel more beneficial than detrimental. —Riley Jones, Footwear News, 6 May 2026

Both new and long-standing treatments for sleep apnea can be effective in reducing the detrimental health consequences. —Erika Yamazaki, The Conversation, 6 May 2026