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. Jenny Harries:

   As we've seen in previous cases, we have well-established and robust infection control procedures for dealing with cases of imported infectious disease and these will be strictly followed to minimize the risk of transmission.

2. Robyn Curnow:

   A lot of what sticks with you with Desmond Tutu when you're interviewing him is his laugh, his infectious sense of humor, his ability to make a joke of things, he has a positive energy that defies suffering, and he knows that he comes from a place where pain and suffering are probably more common, but he chooses joy.

3. Chris Schopf:

   Cecil's laugh was infectious. David Rosenthal was so kind and had such a gentle spirit. Together, they looked out for one another, they were inseparable. Most of all, they were kind, good people with a strong faith and respect for everyone around.

4. Abdul El-Sayed:

   When( a disease) shows symptoms sooner, temperature checks are more valuable. When you're infectious before symptoms, they're not as helpful.

5. Val Curtis:

   We expected that disgust would mirror types of disease, but it seemed to rather reflect the types of things and people that should be avoided so as not to risk catching something infectious.