neutralize vs do in

neutralize and do in both are verbs.

Word	Noun	Adjective	Verb	Adverb
neutralize	No	No	Yes	No
do in	No	No	Yes	No

As verbs, neutralize and do in are synonyms defined as:

neutralize and do in: get rid of (someone who may be a threat) by killing

Other synonyms of neutralize include knock off, liquidate, neutralise, waste.

neutralize (verb)	do in (verb)
make chemically neutral	get rid of (someone who may be a threat) by killing
make ineffective by counterbalancing the effect of
make incapable of military action
get rid of (someone who may be a threat) by killing
make politically neutral and thus inoffensive
oppose and mitigate the effects of by contrary actions