Infectious — Meaning, Definition & Synonyms

adjective /in-ˈfek-shəs/ in·fec·tious

Meaning & Definition of Infectious

Infectious (adjective)

  1. producing or capable of producing infection
  2. caused by or resulting from an infection with one or more pathogenic agents
  3. transmitting or capable of transmitting infection, containing pathogenic agents which may be transmitted

Infectious (adjective) — Senses, Synonyms & Antonyms

  1. exciting a similar feeling or reaction in others

    "an infectious giggle that got the whole class laughing"

    similar: catching, contagious, epidemic, spreading
    related: palpable, perceptible, tangible, irresistible, overpowering, overwhelming, disarming, endearing, fetching, inviting, winning, winsome

Synonyms, Thesaurus & Another Word for Infectious

The most common words with a similar meaning to Infectious:

catching, contagious, epidemic, spreading

Related Words for Infectious

palpable, perceptible, tangible, irresistible, overpowering, overwhelming, disarming, endearing, fetching, inviting, winning, winsome

Word Forms of Infectious

Derived words: infectiously (adverb), infectiousness (noun)

Origin & Etymology of Infectious

infecti- (in infection) + -ous

First known use: 1534

Words & Phrases Containing Infectious

infectious disease, infectious hepatitis, infectious mononucleosis

Frequently Asked Questions about Infectious

What does "Infectious" mean?

"Infectious" means producing or capable of producing infection. As an adjective, it is defined as: producing or capable of producing infection.

What is another word for "Infectious"?

Other words for "Infectious" include catching, contagious, epidemic and spreading. The best synonym depends on which meaning of "Infectious" you intend.

What are different ways to say "Infectious"?

There are 16 words and phrases with a similar meaning to "Infectious". Common alternatives include catching, contagious, epidemic and spreading.

How do you use "Infectious" in a sentence?

Examples of "Infectious" in a sentence: "an infectious giggle that got the whole class laughing".

Is "Infectious" a noun, verb, or adjective?

"Infectious" is an adjective.

How do you pronounce "Infectious"?

"Infectious" is pronounced /in-ˈfek-shəs/ and divided into syllables as in·fec·tious.

What is the origin of the word "Infectious"?

"Infectious" comes from infecti- (in infection) + -ous. First known use: 1534.

What is another word for "Infectious" meaning "exciting a similar feeling or reaction in others"?

When "Infectious" (adjective) means exciting a similar feeling or reaction in others, synonyms include catching, contagious, epidemic and spreading.