poisonous
poi|son|ous /p'ɔɪzənəs/
1 [ADJ]
Something that is poisonous will kill you or make you ill if you swallow or absorb it.
...a large cloud of poisonous gas.
2 [ADJ]
An animal that is poisonous produces a poison that will kill you or make you ill if the animal bites you.
There are hundreds of poisonous spiders and snakes.
3 [ADJ] usu ADJ n
If you describe something as poisonous, you mean that it is extremely unpleasant and likely to spoil or destroy a good relationship or situation.
...poisonous comments.
1 [ADJ]
Something that is poisonous will kill you or make you ill if you swallow or absorb it.
...a large cloud of poisonous gas.
2 [ADJ]
An animal that is poisonous produces a poison that will kill you or make you ill if the animal bites you.
There are hundreds of poisonous spiders and snakes.
3 [ADJ] usu ADJ n
If you describe something as poisonous, you mean that it is extremely unpleasant and likely to spoil or destroy a good relationship or situation.
...poisonous comments.