How to Use poisonous in a Sentence

poisonous

adjective
  • Chocolate is poisonous to dogs.
  • This species of spider is extremely poisonous.
  • The pond isn’t poisonous all the time, Mr. McAdams said.
    Christopher Flavelle Sophie Park, New York Times, 1 Jan. 2023
  • The noise can be poisonous to your morale and your state of mind.
    Dave Knox, Forbes, 20 June 2022
  • Are there poisonous plants or venomous snakes in the area?
    Meg Carney, Field & Stream, 28 June 2023
  • Mushrooms do grow in the wild, many of which may be poisonous.
    Ashley Martens, Women's Health, 16 Feb. 2023
  • This makes the Funnel Web Spider one of the most poisonous spiders in the world.
    Tim MacWelch, Outdoor Life, 3 May 2023
  • The city was swiftly engulfed by a black cloud of hot poisonous gas.
    Nathaniel Rich, The New York Review of Books, 25 May 2022
  • There are a lot of look-alikes out there, some poisonous or toxic.
    Krista Simmons, Sunset Magazine, 10 Sep. 2022
  • Kristin Chenoweth is the irresistible voice of the poisonous frog and stands as one of the film’s best new additions.
    Miami Staff, Miami Herald, 30 Jan. 2024
  • The leaves do have a milky sap that can cause a rash in some people if they are exposed to it, but the plants are not poisonous.
    Janet B. Carson, arkansasonline.com, 11 Dec. 2023
  • The state-of-the-art theater, once a source of immense collective pride, is now a poisonous wedge.
    Gary Baum, The Hollywood Reporter, 26 Sep. 2023
  • Explain to them that the plant is very invasive and poisonous to some wildlife.
    Amy Dickinson, Washington Post, 28 Apr. 2023
  • And, just a reminder, these snakes are venomous, not poisonous.
    Dennis Pillion | Dpillion@al.com, al, 1 Aug. 2022
  • The devices emit carbon monoxide, which is a poisonous gas that can be lethal.
    Aya Elamroussi, CNN, 30 Aug. 2023
  • The good news is that bedbugs aren’t poisonous, nor are they known to carry diseases.
    Jen Murphy, Outside Online, 16 Jan. 2023
  • That all of these things looked the same from the outside explained much of how the politics of the county’s schools had grown so poisonous.
    Charles Homans, New York Times, 5 Aug. 2023
  • Most nauseatingly, a poisonous jet spray to the face takes some skin and flesh with it.
    Joshua Rothkopf, EW.com, 25 Feb. 2023
  • Ahead, experts explain the commons signs that a pal may be poisonous: 1.
    Women's Health, 10 May 2023
  • Oleandrin is a poisonous substance found in the leaves of the oleander plant.
    Thao Nguyen, USA TODAY, 21 Mar. 2023
  • The couple's relationship is rocky to say the least, and some poisonous mushrooms play a hefty role in the film's tension.
    Lia Beck, EW.com, 12 Jan. 2024
  • His poisonous lies and boasts are best ignored by the media (and everyone else).
    Bill Goodykoontz, The Arizona Republic, 17 Mar. 2023
  • Some are great and tasty, while others strike worry, for fear of being poisonous.
    oregonlive, 1 Dec. 2022
  • In the trailer, Captain Toad says some mushrooms can be poisonous.
    Gene Park, Washington Post, 6 Oct. 2022
  • Note: This plant is poisonous and can cause illness if eaten or chewed.
    Viveka Neveln, Better Homes & Gardens, 14 Nov. 2022
  • Knowing poisonous fumes could be present in the well, Trite wisely first lowered a candle.
    Mary Ann Ashcraft, Baltimore Sun, 28 Jan. 2023
  • Tea created from the plant or its berries is also poisonous.
    Arricca Elin Sansone, House Beautiful, 10 May 2023
  • In 1783, the Laki volcanic system belched out poisonous gases that led to the death of over half of Iceland’s livestock and caused a famine.
    Ben Brasch, Washington Post, 18 Dec. 2023
  • During the episode, Pugh was shown learning how to traverse rapids, test river depth with a rope and rock and avoid poisonous snakes and deep cliff edges.
    Jen Juneau, Peoplemag, 16 Aug. 2022
  • Onions in any form are poisonous to pets and fried foods can cause diarrhea, Petplan warns.
    Amy Jamieson, Peoplemag, 12 Jan. 2023

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'poisonous.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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