Synonyms for infectious
ɪnˈfɛk ʃəsin·fec·tious

WiktionaryRate these synonyms:2.3 / 10 votes

1. infectiousadjective

   Able to infect others.

   Despite feeling better, the patient is still infectious.

   Synonyms:
   contagious

2. infectiousadjective

   Spreading quickly from one person to another.

   Her enthusiasm for work can be really infectious.

   Synonyms:
   contagious

3. infectiousadjective

   Synonyms:
   catching, contagious

4. infectiousadjective

   Synonyms:
   catchy, contagious

Princeton's WordNetRate these synonyms:5.0 / 1 vote

1. infectious, infectiveadjective

   caused by infection or capable of causing infection

   "viruses and other infective agents"; "a carrier remains infective without himself showing signs of the disease"

   Synonyms:
   infective, morbific, pathogenic

   Antonyms:
   nontransmissible, noncommunicable, noncontagious, noninfectious, antiseptic

2. infectiousadjective

   easily spread

   "fear is exceedingly infectious; children catch it from their elders"- Bertrand Russell

   Synonyms:
   infective

   Antonyms:
   antiseptic, noninfectious, nontransmissible, noncontagious, noncommunicable

3. infectiousadjective

   of or relating to infection

   "infectious hospital"; "infectious disease"

   Synonyms:
   infective

   Antonyms:
   antiseptic, noncontagious, noninfectious, nontransmissible, noncommunicable

Dictionary of English SynonymesRate these synonyms:1.0 / 1 vote

1. infectiousadjective

   Synonyms:
   contagious, pestilential, pestiferous, catching

2. infectiousadjective

   Synonyms:
   contaminating, corrupting, vitiating, poisoning, defiling

Synonyms, Antonyms & Associated WordsRate these synonyms:1.0 / 2 votes

1. infectiousadjective

   Synonyms:
   contagious, pestiferous, epidemic, vitiating

PPDB, the paraphrase databaseRate these paraphrases:0.0 / 0 votes

1. List of paraphrases for "infectious":

   contagious, infective, communicable, transmissible, infectivity, infection, ferry

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How to use infectious in a sentence?

1. William Haseltine:

   Sometime in the middle of January, there was a change that allowed the virus to become more infectious. It doesn't mean it's more lethal, it makes it about 10 times more infectious.

2. Fran Phillips:

   Covid is so infectious that we've seen that outbreaks in this population of older people can really accelerate incredibly fast, it is the vulnerability of older people to fight off the virus.

3. George Diaz:

   That's why we set up protocols that will allow us to treat patients with infectious diseases in a way that we can isolate them without spreading the virus to anyone.

4. Atlanta Braves:

   We are saddened by the passing earlier today of Dwight Smith, an integral member of our 1995 World Series championship team, the 1989 NL Rookie of the Year runner-up, Dwight enjoyed an eight-year Major League career that included two postseason trips with the Cubs and Braves. Dwight was also a beloved alumni member, and his infectious smile will be missed around Truist Park. CLICK HERE FOR MORE SPORTS COVERAGE ON FOXNEWS.COM.

5. Greg Ives:

   Our entire team is absolutely devastated at the loss of Blakley Harrell and Blakley, they were such positive, giving and passionate people who could not have been a more perfect match. Blakley Harrell had an energetic and infectious personality. Blakley Harrell was the heart and soul of our team and always kept us motivated, no matter the circumstance.