Synonyms of malignant

malignant

adjective

mə-ˈlig-nənt 

as in malicious

having or showing a desire to cause someone pain or suffering for the sheer enjoyment of it

a malignant wish to lash out at everyone who was smarter, richer, or better-looking than he was

Synonyms & Similar Words

• malicious
• vicious
• cruel
• hateful
• nasty
• malevolent
• malign
• virulent
• bad
• spiteful
• despiteful
• venomous
• poisonous
• bitchy
• bitter
• evil
• jealous
• catty
• mean
• harsh
• obnoxious
• hostile
• vindictive
• scurvy
• snakelike
• devious
• resentful
• baneful
• envious
• vitriolic
• unkind
• jaundiced
• rancorous
• acrimonious
• opprobrious
• contemptuous
• baleful
• derogatory
• snotty
• inimical
• scornful
• scoundrelly
• deprecating
• caustic
• disdainful
• unkindly
• disparaging
• unloving
• snide
• mean-spirited
• acrid
• scathing

Antonyms & Near Antonyms

• benign
• benevolent
• loving
• sympathetic
• good
• warm
• kind
• compassionate
• benignant
• kindly
• friendly
• pleasant
• amiable
• agreeable
• genial
• gracious
• cordial
• sweet
• nice
• affable
• unmalicious
• affectionate
• amorous
• kindhearted
• good-hearted
• warmhearted
• tender
• humane
• noble
• altruistic
• humanitarian
• philanthropic
• magnanimous
• tenderhearted
• high-minded

Example Sentences

Recent Examples of malignant

Perhaps the most intriguing risk factor for psychopathology gleaned from clinical psychological science, and one that is particularly relevant to the assessment and treatment of postpartum psychopathology, is malignant self-criticism. — Torie Bosch, STAT, 5 Sep. 2026

Alcohol played a major role in deaths from malignant tumors in the head and neck, including lip, oral cavity, pharynx, larynx and cancer of the esophagus. — Sandee Lamotte, CNN Money, 3 Sep. 2026

Amabile revealed in July that he was diagnosed with a malignant brain tumor after receiving results from an MRI. — Joey Nolfi, Entertainment Weekly, 2 Sep. 2026

Busy Philipps underwent two invasive surgeries this spring related to a malignant tumor in her brain. — Kory Grow, Rolling Stone, 26 Aug. 2026