Definitions
Able to harm or kill by poison.
Word origin
From Middle English poisounous, poysonouse. By surface analysis, poison + -ous.
Used in a sentence
“While highly poisonous to dogs, this substance is completely harmless if ingested by humans.”
“Nor taint-worm ſhall infect the yeaning herds / Nor penny-graſs, nor ſpearwort's poiſ'nous leaf.”
“I had picked a mushroom so poisonous that particles of it, stuck to my fingers and accidentally swallowed, could have made me deathly ill, and a piece the size of my thumb could have killed me.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Toxic”9 letters
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