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.

Related Words

• virus
• germ
• disease
• epidemic
• attack
• 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
• bug
• sickness
• disorder
• weakness
• distemper
• pip
• frailty
• pest
• complication
• weakliness
• ail
• upset
• infirmity
• matter
• frailness
• condition
• complaint
• distemperature
• trouble
• affection
• affliction

Dissimilar Words

• 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

According to Weil, acute inflammation is a natural, protective response to injury or infection and is an important part of healing. —Jason Liebowitz, The Atlantic, 4 Nov. 2025

Viral infections may also be a factor, according to Gaesser. —CNN Money, 4 Nov. 2025

Tens of thousands died making the journey west, often from now-easily treatable illnesses, infections and broken bones. —Trevor Hughes, USA Today, 3 Nov. 2025

Measles can have serious long-term effects, including hearing loss, diminished immunity from previous infections with other viruses and pneumonia. —Stephanie Pappas, Scientific American, 3 Nov. 2025