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

From sickness and ennui came the writing of an algorithm that would solve the underlying mathematics of the bomb. — Artforum, 28 Sep. 2026

In the report, Shedd veterinarians said preexisting sickness likely compromised the whales’ health and left them vulnerable during the relocation process, which involved lifting the belugas by crane and flying them across international borders. — Lila Hempel-Edgers, Chicago Tribune, 25 Sep. 2026

These proofs consist solely in the destruction of sin, sickness, and death by the power of Spirit, as Jesus destroyed them. — The Christian Science Monitor, Christian Science Monitor, 24 Sep. 2026

Those who have weakened immune systems are particularly susceptible to sickness from Listeria monocytogenes, as well as young children, elderly folks, and pregnant women. — Abigail Wilt, Southern Living, 23 Sep. 2026