to ail

29 6.1

To be sick or feel unwell

: estar enfermo

And I tried to get Trump to take Air Force One to Arizona and stop in and see McCain at his home where he was ailing from brain cancer.

Examples

Tell me what's ailing you.

The Deep Ones (2021)
I have something for what ails you.

Snow White and the Huntsman (2012)
I don't know what ails your boy.

Abraham Lincoln: Vampire Hunter (2012)
For now, he is taking a break from his Pitt education to help care for his ailing father.

Academic text (2016)
What ails you?

The Great Dictator (1940)
What ails you, Marcus?

The Sign of the Cross (1932)
If you tell me what ails you, perhaps I can help.
Tell me what's ailing you so I can assist you.
He is ailing and needs to see a doctor soon.

to feel unwell

vsto ail

3 1.8

To be sick or slightly ill

indicates actually suffering from an illness rather than mild discomfort

to thrive

241 3.2

To grow well and be successful

to flourish

116 4.1

To grow strongly and be healthy or successful

to ail

29 6.1

to feel unwell

3 1.8

to feel off

5 6.3

ail infinitive

ailed past

ailed past participle

ailing present participle

ails third person singular

Ail (to feel unwell) comes from the same root as ailment, meaning 'sickness', so when someone 'ails' they are suffering or not well.