Malign a. : Having an evil disposition toward others; harboring violent enmity; malevolent; malicious; spiteful; -- opposed to benign.

Malign a. : Unfavorable; unpropitious; pernicious; tending to injure; as, a malign aspect of planets.

Malign a. : Malignant; as, a malign ulcer.

Malign a. : To treat with malice; to show hatred toward; to abuse; to wrong; to injure.

Malign a. : To speak great evil of; to traduce; to defame; to slander; to vilify; to asperse.

Malign v. i. : To entertain malice.

Example:
Why do Atheists leaders Malign the 1st Amendment claiming that it portrays separation of church and state?

Taxonomy
malign, Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, lign, Webster Online Dictionary with audio pronunciations, Middle English, thesaurus, adjective, glossary, language, ESL, Search, Etymology, maligne, Anglo-French, Latin.

Defination from the web:
malign from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... 1 a : evil in nature, influence, or effect : injurious <the malign effects of illicit drugs> b : malignant, virulent ...