Definition of "perverse" in English

adjective

1. Turned aside while against something, splitting off from a thing.

2. Morally wrong or evil; wicked; perverted.

3. Obstinately in the wrong; stubborn; intractable.

4. Wayward; vexing; contrary.

   • Where this perverse sign flip occurs depends on the values of other parameters […].

5. (law, of a verdict) Ignoring the evidence or the judge's opinions.

noun

1. (geometry) A chiral opposite of something; a mirror image with opposite handedness.

verb

1. (nonstandard) To pervert.