What does "fall ill" mean?

To become ill, to get sick, to sicken.

What is a synonym for "fall ill"?

Common synonyms include: ails, art thou sick, become ill.

verb

verb ·Rare ·Advanced level

Verb

1
To become ill, to get sick, to sicken. intransitive
"We come into contact with germ-infested surfaces all day, every day, but we don’t keep falling catastrophically ill."

"We come into contact with germ-infested surfaces all day, every day, but we don’t keep falling catastrophically ill."