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

Since then, infections have plummeted by 97%, according to the CDC. — Kaitlin Sullivan, NBC news, 2 Oct. 2026

An update on Invivyd, the small biotech company developing an injectable, low-dose monoclonal antibody to protect against Covid-19 infection like a vaccine does, but without the real or perceived limitations of vaccines. — Adam Feuerstein, STAT, 1 Oct. 2026

Sugary foods combined with antibiotic treatment can damage the gut microbiome in ways that could leave people vulnerable to dangerous infections, a new study shows. — Brenda Goodman, CNN Money, 1 Oct. 2026

The 67-year-old has multiple chronic health conditions, and developed a urinary tract infection while in ICE detention. — Eleanor Nash, Kansas City Star, 1 Oct. 2026