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

The infection resembles a serious stomach bug and often begins showing up two to three weeks after people become infected by the parasite, according to the CDC. — Laya Neelakandan, CNBC, 17 July 2026

Cooking or cleaning produce carefully can lower the risk of infection. — Charlotte Observer, 17 July 2026

As the infection leaves her system, the physical symptoms of the illness her doctor told her to assume was cyclosporiasis are fading. — Lila Hempel-Edgers, Chicago Tribune, 17 July 2026

Conditions are expected to stay poor through most of Friday, with people encouraged to stay indoors to avoid respiratory infection. — Mike Stunson, USA Today, 17 July 2026