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

And all of these common infections can have serious consequences for some members of the school community – or their families – who have underlying health conditions that raise the risk of complications. — Ann Sheehan, The Conversation, 18 Sep. 2026

Many infected people don’t get sick, meaning the number of cases reported in an outbreak can be an undercount of the real number of infections. — ABC News, 18 Sep. 2026

It is most commonly caused by acid reflux, certain medications, infections or allergies, according to the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). — Melissa Rudy, FOXNews.com, 18 Sep. 2026

The death of an 80-year-old South Tampa woman may be linked to a dengue infection. — Stephen Hudak, The Orlando Sentinel, 18 Sep. 2026