variants or British paralysant. ˈpar-ə-ˌlīz-ᵊnt pə-ˈral-ə-zənt : causing paralysis. paralyzant. 2 of 2 noun. variants or British paralysant: an agent that causes paralysis. Dictionary Entries Near paralyzant. paralytic shellfish poisoning. paralyzant. paralyze. See More Nearby Entries . Cite this Entry.