adjective

poisonous

poisonous, venomous, toxic

Some mushrooms are poisonous.

Some mushrooms are poisonous.

He made a poisonous remark about her work.

He made a poisonous remark about her work.

poisonous ((noun)) containing poison Some mushrooms are poisonous.

a poisonous ((remark/comment)) malicious; spiteful He made a poisonous remark about her work.

Synonyms: toxic, venomous; Antonyms: harmless, non-toxic

From 'poison' + the adjective suffix '-ous', meaning 'full of'. Literally 'full of poison'.

The '-ous' suffix often means 'characterised by' or 'full of'. Think of something 'full of poison'.

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