fallen ill
Become unwell suddenly
Fallen ill means to have become sick.
The phrase uses the past participle of fall, treating illness as something one falls into rather than catches: She had fallen ill during the voyage.
The expression sounds slightly formal or literary compared to alternatives like got sick.
- come down withBecome ill with
- unwellExperiencing poor health
- under the weatherMildly sick or unwell
- indisposedMildly sick or unwilling
- sickUnwell or impressively cool
ailing · flu symptoms · bedridden · bed rest · afflicted · feverish · poorly · bad · suffering · infection · nausea · health scare · sick leave · doctor's orders · stricken · out of commission · unhealthy · rest
fallen illrecovered
Returned to normal state
gotten better · recuperated · healed · bounced back · convalesced
fallen illrobust
Strong and durable
fighting fit · hale and hearty · thriving · in the pink · healthy
fall, fell, falling, falls, ill, ills, illness, illnesses, illest