1. Past participle: Cannibalised Gerund: cannibalising Imperative Cannibalise Cannibalise Present I Cannibalise you Cannibalise he/she/it Cannibalises we

2. Cannibalise (third-person singular simple present Cannibalises, present participle cannibalising, simple past and past participle Cannibalised) (British spelling) To eat (parts of) another of one's own species

3. Cannibalise (third-person singular simple present cannibalises, present participle cannibalising, simple past and past participle Cannibalised) (British spelling) (transitive) To eat (parts of) another of one's own species. The female black widow spider is known to cannibalise the male.