To eat (parts of) another of one's own species. (verb)
Examples of word cannibalise
"(Also) I think we need to be careful about the use of the word 'cannibalise' which brings with it an imputation of bad behaviour."
"cannibalise" when asking about the possibility super clinics would poach doctors.
"cannibalise" doctors and patients from existing general practices.
It's possible, the two will cannibalise each other's markets, or that the cheaper handheld will draw complaints about the price point of the more expensive machine.
The split favours both films because they can't cannibalise each other.
After 11 years of Margaret Thatcher, it proved necessary to cannibalise the entire armoured resources of the Rhine Army to deploy a weak division for the First Gulf War.