from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Capable of harming or killing by or as if by poison; toxic or venomous.
- adj. Containing a poison.
- adj. Marked by apparent ill will: "poisonous hate . . . in his eyes” ( Ernest Hemingway).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Containing sufficient poison to be dangerous
- adj. Inedible due to containing poison; poisonous to eat
from the GNU version of the Collaborative International Dictionary of English
- adj. Having the qualities or effects of poison; venomous; baneful; corrupting; noxious.
from The Century Dictionary and Cyclopedia
- Having the properties of a poison; containing poison; venomous; hence, corrupting, vitiating, or impairing.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not safe to eat
- adj. marked by deep ill will; deliberately harmful
- adj. having the qualities or effects of a poison
"To my thinking such teaching is not only erroneous, it is positively poisonous -- yes, _poisonous_!"
Churkin, angrily denied what he called poisonous, unsourced reports on the Internet aimed at subverting Russia's relationship with Arab countries in the aftermath of the Security Council veto.
I noticed something in the video that I've also noted elsewhere: When describing the scorpion the Japanese commentator uses the English word "poisonous".
Even Halloween face paint labeled "nontoxic" can contain poisonous metals.
Lots of running around in poisonous fog wearing gasmasks while pursued by the undead.
CU researcher engineers sorghum that grows in poisonous soils
I'm sick of the burning Hummers and the unreleased things that leak their way to the world in poisonous drips and pixels.
Of the latter we counted forty-two, and the sight made us pause to reflect on the name of the pass and wonder whether the explanation of its name, "Buddha's Cauldron," is not found in the fact that it claims so many sacrifices of these poor animals; or was the name suggested by the vapors that hang over it, which the natives call poisonous from the depressing effect they produce on travelers?
So when I'd worked my way through the rest of the class, and Ben remained in his seat, folded against the wall, his expression poisonous, I made my way back to him.
(link) I have to agree with your sentiment ( "poisonous" is exactly right), but I have to disagree with the idea that things that are unpleasant or wrongheaded or ugly shouldn't be written down or communicated.