poisonous /ˈpoɪzn̩nəs/ adjective Learner's definition of POISONOUS
[more poisonous; most poisonous]
1
a : causing sickness or death by entering or touching the body : containing poison有毒的 b : capable of putting poison into another animal's body by biting it分泌毒素的;能以毒伤人的 2
: very harmful or unpleasant恶毒的;邪恶的;恶劣的