Synonyms of infection

infection

noun

as in virus

an abnormal state caused by contact with harmful organisms (such as bacteria or viruses)

There is a viral infection spreading among the schoolchildren.

Synonyms & Similar Words

• virus
• germ
• disease
• attack
• epidemic
• contagion
• contagious disease
• plague
• contagium
• illness
• bout
• lameness
• fever
• invalidism
• invalidity
• debility
• indisposition
• unsoundness
• pestilence
• spell
• pandemic
• debilitation
• decrepitude
• feebleness
• fit
• sickliness
• malaise
• ailment
• sickishness
• unhealthiness
• dysfunction
• malady
• unwellness
• ill
• sickness
• disorder
• weakness
• distemper
• pip
• frailty
• pest
• bug
• complication
• weakliness
• ail
• disfunction
• upset
• infirmity
• matter
• frailness
• condition
• complaint
• distemperature
• trouble
• affection
• affliction

Antonyms & Near Antonyms

• fitness
• soundness
• health
• robustness
• hardiness
• wholeness
• shape
• healthiness
• wholesomeness
• heartiness
• wellness
• lustiness
• cure
• antidote
• fettle
• antivenom
• antivenin
• panacea
• elixir
• mithridate
• cure-all

Example Sentences

Recent Examples of infection

Most kids will recover from measles, but infection can lead to dangerous complications such as pneumonia, blindness, brain swelling and death. —Devi Shastri, Los Angeles Times, 28 Mar. 2025

At-home test tackles three most common STIs Chlamydia, gonorrhea and trichomoniasis are three of the most prevalent STIs in the U.S. Both chlamydia and gonorrhea are bacterial infections, while trichomoniasis is caused by a parasite. —Mary Walrath-Holdridge, USA Today, 28 Mar. 2025

The majority of cases, 20, are individuals who were not vaccinated against the infection. —Sara Moniuszko, CBS News, 27 Mar. 2025

This helps your healthcare provider check for infections, kidney problems, or other issues affecting your bladder and urinary tract. —Sayaka Blickenderfer, Phd, Health, 14 Mar. 2025