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, infectious, 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. Sarah Keim:

   One is the risk of infectious disease.

2. Governor Jay Ipsee:

   The measles virus is a highly contagious infectious disease that can be fatal in small children, and the existence of 26 confirmed cases in the state of Washington creates an extreme public health risk that may quickly spread to other counties.

3. Doreen Addrizzo-Harris:

   There’s probably a combination of genetics— we know that it’s higher in family members who have family members with the disease— [and] the environment and possibly infectious ediologies.

4. Samuel Misoi:

   The Public Health Act authorized public health officers to take whatever action they deem necessary -- including detaining infectious patients -- to prevent the spread of disease.

5. Brett Schaefer:

   Thus, it is hardly surprising that International Regulatory Affairs failed to be transparent and truthful in reporting details on COVID-19 to WHO and the international community. In fact, this is not the first time this has happened, in 2003, China concealed and denied an infectious disease outbreak later called SARS for months.