Synonyms of prejudicial

prejudicial

adjective

ˌpre-jə-ˈdi-shəl 

1

as in detrimental

causing or capable of causing harm

pretrial publicity that may be extremely prejudicial to a defendant's right to a fair trial

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

2

as in adverse

opposed to one's interests

the defense will try to counterbalance the mass of prejudicial evidence presented by the prosecution

Synonyms & Similar Words

• adverse
• negative
• unfavorable
• hostile
• detrimental
• harmful
• damaging
• destructive
• disadvantageous
• threatening
• inimical
• bad
• unfriendly
• dangerous
• unsympathetic
• hazardous
• untoward
• counter
• injurious
• risky
• offensive
• conflicting
• poisonous
• deleterious
• unsafe
• pernicious
• hurtful
• evil
• troublesome
• baneful
• opposing
• fatal
• lethal
• ruinous
• noxious
• malignant
• unhealthy
• murderous
• perilous
• defamatory
• antagonistic
• slanderous
• ill
• baleful
• intolerant
• uncongenial
• resistant
• inhospitable
• scathing
• uncooperative
• resisting
• calumnious
• detractive
• wounding
• antipathetic
• imperiling
• jeopardizing
• parlous
• competing
• counteracting
• countering

Antonyms & Near Antonyms

• favorable
• positive
• advantageous
• sympathetic
• beneficial
• friendly
• useful
• supportive
• good
• helpful
• harmless
• innocent
• propitious
• innocuous
• inoffensive
• nonthreatening
• nondestructive
• well-disposed
• nonfatal
• tolerant
• agreeable
• benign
• congenial
• friendly
• understanding
• amiable
• hospitable
• nonlethal
• cordial
• complying
• affable
• unresistant
• amicable
• benignant

Example Sentences

Recent Examples of prejudicial

Sooknanan also became the subject of a bar complaint filed last week by the watchdog group Democracy Restored, which accused the judge of dishonesty and conduct prejudicial to the administration of justice during her tenure as a senior DOJ official. — Kaelan Deese, The Washington Examiner, 7 July 2026

In addition, the judge was right to exclude from evidence Motsinger’s 1970s-era LSD and marijuana use as irrelevant, prejudicial and improper character evidence, the Motsinger attorneys further state. — City News Service, Daily News, 31 May 2026

Musk’s lawyers argued that such sentiments were blatantly prejudicial. — Gideon Lewis-Kraus, New Yorker, 20 May 2026

In 2022, however, the Georgia Supreme Court tossed out the murder verdict (PDF), saying that prosecutors had introduced needlessly inflammatory and prejudicial material about Harris’ personal life at his trial. — Nate Anderson, ArsTechnica, 14 May 2026