Synonyms of sickness

sickness

noun

ˈsik-nəs 

1

as in illness

the condition of not being in good health

she was plagued by sickness most of her adult life

Synonyms & Similar Words

• illness
• ailment
• disorder
• disease
• indisposition
• dysfunction
• unhealthiness
• unsoundness
• condition
• trouble
• weakness
• malady
• malaise
• debility
• invalidism
• upset
• infirmity
• lameness
• feebleness
• invalidity
• decrepitude
• sickliness
• hypochondria
• sickishness
• affliction
• frailness
• weakliness

Antonyms & Near Antonyms

• health
• wellness
• healing
• recovery
• convalescence
• rehabilitation
• healthiness
• soundness
• wholeness
• recuperation
• wholesomeness
• fitness
• mending
• rehab
• strength
• shape
• rally
• comeback
• vitality
• vigor
• toughness
• stamina
• welfare
• hardiness
• robustness
• heartiness
• ruggedness
• well-being
• bloom
• weal
• fettle
• lustiness
• snapback
• flush
• vigorousness
• flushness

2

as in disease

an abnormal state that disrupts a plant or animal's normal bodily functioning

a sickness that resulted in the death of millions of the nation's elm trees

Synonyms & Similar Words

• disease
• illness
• ailment
• ill
• fever
• condition
• disorder
• bug
• infection
• malady
• attack
• infirmity
• distemper
• ail
• complication
• plague
• trouble
• complaint
• affection
• distemperature
• contagion
• contagious disease
• debility
• lameness
• pestilence
• feebleness
• epidemic
• unsoundness
• bout
• malaise
• sickliness
• spell
• weakness
• unhealthiness
• unwellness
• decrepitude
• fit
• contagium
• matter
• pip
• pest
• frailness

Antonyms & Near Antonyms

• health
• wellness
• fitness
• soundness
• wholeness
• robustness
• wholesomeness
• shape
• healthiness
• heartiness
• fettle

3

as in nausea

a disturbed condition of the stomach in which one feels like vomiting

the sickness that many women feel during the early months of a pregnancy

Synonyms & Similar Words

• nausea
• queerness
• nauseousness
• queasiness
• squeamishness
• seasickness
• airsickness
• motion sickness
• qualm
• mountain sickness
• qualmishness
• altitude sickness
• car sickness
• morning sickness

Example Sentences

Recent Examples of sickness

And soon, the virus would also cross borders, triggering food insecurity, widespread sickness, and mass casualties around the world. — Elizabeth Sherwood-Randall, Foreign Affairs, 18 Aug. 2026

Across social media, travelers this summer have been opening up about stories of rocky crossings, ill passengers and crews handing out sickness bags. — Andrea Margolis, FOXNews.com, 16 Aug. 2026

In that account, Nixon’s abuses were symptoms that made visible a larger sickness. — Jake Lundberg, The Atlantic, 13 Aug. 2026

When To Wash Sheets In Hot Water Washing sheets in hot water every time isn’t necessary for linens that are lightly soiled—think no sweaty nights or sickness. — Karen Brewer Grossman, Southern Living, 13 Aug. 2026