different between infectious vs infectiousness

English

Adjective

infectious (comparative more infectious, superlative most infectious)

1. (pathology, of an illness) Transmitted from one person to another, usually through the air breathed.

   Cancer is not infectious.

   More infectious diseases like the flu are usually less potent.

2. (pathology, of a person) Able to infect others.

   Despite feeling better, the patient is still infectious.

3. (of feelings and behaviour) Spreading quickly from one person to another.

   Her enthusiasm for work can be really infectious.

4. (informal) Memorable and invoking excitement or interest.

   Pop music is more infectious than elevator music.

Synonyms

• (transmitted between persons as illness): catching, contagious
• (able to infect others): contagious
• (spreading quickly between persons): contagious
• (memorable and exciting): catchy, contagious

Antonyms

• non-infectious, noninfectious

Derived terms

• infection
• toxicoinfectious

Translations

Anagrams

• countifies

English

Etymology

infectious +? -ness

Noun

infectiousness (uncountable)

1. The state or condition of being infectious.

Synonyms

• infectiosity

Translations