Contagious vs Infect - What's the difference?

contagious | infect |

As adjectives the difference between contagious and infect

is that contagious is of a disease, easily transmitted to others while infect is (obsolete) infected.

As a verb infect is

to bring into contact with a substance that causes illness (a pathogen).



(en adjective)
  • Of a disease, easily transmitted to others.
  • The flu was so contagious that everybody in town got sick!
  • Of a fashion, laughter, etc., easily passed on to others.
  • Wearing jeans was a contagious fad at that time.
  • Of a person, having a disease that can be transmitted to another person by touch.
  • They were highly contagious , spreading bacteria to other people.


    * (of a disease) catching, infectious * infectious


    * non-contagious

    Derived terms

    * contagiousness * contagion




    (en verb)
  • To bring into contact with a substance that causes illness (a pathogen).
  • * {{quote-magazine, year=2013, month=May-June, author= Katie L. Burke
  • , title= In the News , volume=101, issue=3, page=193, magazine=(American Scientist) , passage=Bats host many high-profile viruses that can infect humans, including severe acute respiratory syndrome and Ebola.}}
  • To make somebody enthusiastic about one's own passion.
  • Antonyms

    * disinfect

    Derived terms

    * infection * infectible


  • (obsolete) Infected.
  • * 1602 , , I. iii. 187:
  • And in the imitation of these twain, / Who, as Ulysses says, opinion crowns / With an imperial voice, many are infect .