Antonyms 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 antonyms: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"

   Antonyms:
   nontransmissible, noncommunicable, noncontagious, noninfectious, antiseptic

   Synonyms:
   infective, morbific, pathogenic

2. infectiousadjective

   easily spread

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

   Antonyms:
   antiseptic, noninfectious, nontransmissible, noncontagious, noncommunicable

   Synonyms:
   infective

3. infectiousadjective

   of or relating to infection

   "infectious hospital"; "infectious disease"

   Antonyms:
   antiseptic, noncontagious, noninfectious, nontransmissible, noncommunicable

   Synonyms:
   infective

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

1. infectiousadjective

   Synonyms:
   contagious, pestiferous, epidemic, vitiating

How to use infectious in a sentence?

1. Cindy Jarrin:

   Her energy is infectious, every one of my friends, they all get on with Maggie and they love her.

2. David Heymann:

   Infectious organisms can travel in humans, food and insects ... you can't stop disease from crossing borders.

3. 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.

4. Bill Hanage:

   We've only ever really eradicated smallpox and if it weren't for a couple of further interventions beyond vaccines, even that could still have been with us, most people who know anything about infectious disease don't think total eradication is possible.

5. Hondimagegnehu Alemu:

   Around 30% of TB in children is extra-pulmonary, [But] they are not infectious -- they don't have the ability to transmit to other people.

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