Difference between Harmful and Calumnious

HARMFUL vs CALUMNIOUS: ADJECTIVE

Containing or implying calumny; false, malicious, and injurious to reputation; slanderous.
Containing or implying calumny; slanderous or defamatory.
(used of statements) harmful and often untrue; tending to discredit or malign
Possessing the traits of calumny

Using calumny; containing or implying calumny; injurious to reputation; slanderous: as, “calumnious knave,” ; “calumnious mis-statements,”
Tending to discredit or malign

Disadvantageous, Insidious, Negative, Hurtful, Prejudicial, Degrading, Unsafe, Pernicious, Noxious, Counterproductive, Dangerous, Damaging, Deleterious, Injurious, Detrimental

Deceitful, Vituperative, Hateful, Baseless, Mendacious, Scurrilous, Calumniatory, Denigrative, Harmful, Libellous, Denigratory, Libelous, Denigrating, Defamatory, Slanderous

Disadvantageous, Insidious, Negative, Hurtful, Prejudicial, Degrading, Unsafe, Pernicious, Noxious, Counterproductive, Dangerous, Damaging, Deleterious, Injurious, Detrimental

Deceitful, Vituperative, Hateful, Baseless, Mendacious, Scurrilous, Denigrative, Calumniatory, Harmful, Libellous, Denigratory, Libelous, Denigrating, Defamatory, Slanderous

Shampoo, conditioner, and soaps free of harmful packaging.
Compliance information cause harmful interference to radio communications.
Are genetically modified food products really that harmful?
Seed treated with substance harmful to vertebrate animals; color; label information; description of treated seed not harmful to vertebrate animals.
It is a commonplace of evidence law that a litigant is not entitled to exclude harmful evidence, but only unfairly harmful evidence.
It is untrue that the novel coronavirus grows and multiplies in sewers, and pouring harmful chemicals into sewers will have harmful effects.
We talk a lot about how harmful synthetic fragrances are, but there are other ingredients in conventional cleaning products that can be harmful.
Harmful Effects Pesticides can cause three types of harmful effects: acute effects.
Acts by a caregiver resulting in unnecessary, harmful or potentially harmful medical care to a child.
These records pertain to employees exposed to harmful toxic substances or harmful physical agents.

But when did a calumnious report ever fall to the ground in Spain by the weight of its own absurdity?