Adjective
-
somewhat ill or prone to illness
"my poor ailing grandmother"
"feeling a bit indisposed today"
"you look a little peaked"
"feeling poorly"
"a sickly child"
"is unwell and can't come to work"
- under the weather
Adverb
-
(`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner
not well
"he was ill prepared"
"it ill befits a man to betray old friends"
"the car runs badly"
"he performed badly on the exam"
"the team played poorly"
"ill-fitting clothes"
"an ill-conceived plan"