A word to describe the action of rendering a harmful person powerless

I'm looking for a word to describe rendering a person powerless, for example somebody who is causing some grief to a group, and you are able to say something that destroys their argument and leaves them without a leg to stand on.
An example sentence would be:

"I _____ed him by expertly destroying his faulty logic".

I feel the word is on the tip of my tongue but I cannot place it.


Solution 1:

See neutralize. The Oxford dictionary defines it as

Make (something) ineffective by applying an opposite force or effect.

Make ineffective.

Popular use: The army neutralized the threat, Radical views neutralized by the opposition.

Also look up synonyms such as counterpoise.

Solution 2:

I like disarm for this.

  1. to deprive of the means of attack or defense:
    The lack of logic disarmed his argument.

Solution 3:

"I defanged/declawed him by expertly destroying his faulty logic".

ODO:

defang VERB

[WITH OBJECT] often as adjective defanged
Render harmless or ineffectual.

‘the military, demoralized and defanged, gave up their campaign’

‘He's very much aware of the fact that humor can be used to defang a problematic issue.’

declaw VERB

[WITH OBJECT]

1.1 Make harmless or less threatening.

‘We shouldn't be surprised that the Tories are warming up to our metropolis just when they need ways to declaw the Liberals.’