How to Use infectious in a Sentence

infectious

adjective
Definition of infectiousnext
Synonyms for infectiousnext
  • She has an infectious grin.
  • New infectious diseases used to show up every few centuries.
    — Ben Ehrenreich, The New Republic, 21 Dec. 2022
  • The dogs would be neutered and put up for adoption – but any that are terminally ill, infectious or aggressive would be killed.
    — Harriet Marsden, The Week Uk, theweek, 5 Aug. 2024
  • With infectious melodies and biting lyrics, Household Name is full of angsty future anthems.
    — Spin Staff, SPIN, 26 Dec. 2022
  • But Johnson doesn’t make his mystery the point, and the joy at the heart of his resolution is too infectious for all but the greatest skeptics.
    — Lauren Puckett-Pope, ELLE, 23 Dec. 2022
  • Sticking one’s finger into one’s nose can introduce infectious materials or pass them along to others.
    — Scott Lafee, San Diego Union-Tribune, 27 Dec. 2022
  • Paid sick leave is protective against other problems beside the spread of Covid-19 and other infectious diseases.
    — Devan Hawkins, STAT, 14 Dec. 2022
  • The chaotic gaggle of young people in Triston’s and Emery’s crews transmitted an infectious energy.
    — Sonya Bennett-Brandt, WIRED, 22 Dec. 2022
  • The kills are gory, the satire is thick, and the charm is so infectious.
    — Deanna Janes, Harper's BAZAAR, 4 Aug. 2023
  • It’s known as the leading cause of infectious blindness in the world.
    — Sean Mowbray, Discover Magazine, 28 Apr. 2023
  • With this big grin on his face, and an infectious laugh.
    — Christian Allaire, Vogue, 11 July 2023
  • Rosenberg is thrilled to see the infectious song still landing arrows to the heart.
    — Jem Aswad, Variety, 21 Mar. 2023
  • Yet the genre blend is pure Beck, and his infectious energy was the furnace behind all of the songs.
    — William Earl, Variety, 11 Sep. 2023
  • Kealan has a way of sharing his sense of humor with those around him and his laugh is infectious!
    — BostonGlobe.com, 7 May 2023
  • Michelle Buteau has the most beautiful and infectious laugh.
    — Emma Specter, Vogue, 28 July 2023
  • Tests did not detect any live, infectious virus in the products, the FDA said in its May 10 update.
    — Michelle Marchante, Miami Herald, 28 May 2024
  • The 16-year-old’s good mood is often infectious and she’s described as a delight to be around.
    — The Star, Kansas City Star, 27 Jan. 2024
  • After all, hitting is said to be infectious in a dugout.
    — Patrick Saunders, The Denver Post, 14 May 2024
  • These girls could sing, dance, and put on a show that’s indisputably infectious.
    — Mekita Rivas, refinery29.com, 15 Aug. 2023
  • That sense of glee in a couple of hometown guys getting away with it is infectious.
    — David Fear, Rolling Stone, 1 Aug. 2024
  • His energy is infectious and is one of the things Holly loves about him.
    — Rebecca Aizin, Peoplemag, 19 Jan. 2024
  • Benny’s love for comics was infectious and amazing to be around.
    — Becca Longmire, Peoplemag, 11 June 2024
  • The study determined that most kids were infectious through day three of their illness.
    — Korin Miller Published, Verywell Health, 7 Nov. 2023
  • As a result, more immune cells circulate in the blood, which can then fight off the infectious agents.
    — Desireé Oostland, Vogue, 29 July 2024
  • Miles explained what makes the State Farm's ads so infectious in their ad treatment and creative process.
    — Dana Scott, The Arizona Republic, 12 Feb. 2023
  • And norovirus can remain infectious in water for two months or more.
    — Lauren J. Young, Scientific American, 14 Mar. 2023
  • Laura was a bright light…her infectious energy and humor gave a spark to the early days of our band.
    — Mitchell Peters, Billboard, 23 Dec. 2023
  • Their shady underside and the infectious sounds preserved in their groves echo the era when jazz arrived in Chicago.
    — Ron Grossman, Chicago Tribune, 19 Feb. 2023
  • Once the bubbles are inside, the molecules can suppress the infectious mold cells.
    — Laura Baisas, Popular Science, 20 Dec. 2023
  • The infectious choreography is set to the very end of GloRilla’s guest verse and the entirety of her hook.
    — Jason Lipshutz, Billboard, 17 Apr. 2024

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'infectious.' 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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