- causing death or illness if swallowed or taken into the body synonym toxic
- poisonous chemicals/fumes/plants
- a poisonous substance
- This gas is highly poisonous.
- poisonous to somebody/something The leaves of certain trees are poisonous to cattle.
Oxford Collocations Dictionaryverbs- be
- become
- deadly
- extremely
- highly
- …
- to
- (of animals and insects) producing a poison that can cause death or illness if the animal or insect bites you synonym venomous
- poisonous snakes
- a tiny spider with a poisonous bite
Oxford Collocations Dictionaryverbs- be
- become
- deadly
- extremely
- highly
- …
- to
- extremely unpleasant or unfriendly
- a poisonous person
- the poisonous atmosphere in the office
Check pronunciation:
poisonous