(organic chemistry) A colourless crystalline dicarboxylic acid, hydroxy-malonic acid, found in wine, apples and other fruit; it is converted to lactic acid by malolactic fermentation.

Evil or malignant in disposition, nature, intent or influence. / Malevolent. / (oncology) Malignant.

(transitive) To make defamatory statements about; to slander or traduce. / (transitive, archaic) To treat with malice; to show hatred toward; to abuse; to wrong.

(transitive, intransitive) To feign illness, injury, or incapacitation in order to avoid work, obligation, or perilous risk.

Intention to harm or deprive in an illegal or immoral way. Desire to take pleasure in another's misfortune.

To intend to cause harm; to bear malice.

The state of being malignant or diseased. / A malignant cancer; specifically, any neoplasm that is invasive or otherwise not benign. / That which is malign; evil, depravity, malevolence.

Pertaining to apples. / (organic chemistry) Of or pertaining to malic acid or its derivatives.

in a malicious manner, or for malicious reasons

The quality of being malign or malignant; badness, evilness, monstrosity, depravity, maliciousness. / A non-benign cancer; a malignancy.