Bedeutung von “poisonous” — Learner’s Dictionary

poisonous

adjective us uk /ˈpɔɪzənəs/
WITH POISON

B2 containing poison:

poisonous gas
ANIMAL

B2 A poisonous animal uses poison in order to defend itself:

a poisonous snake

(Definition von “poisonous” aus dem Cambridge Learner's Dictionary © Cambridge University Press)