What is another word for poorly?

Common synonyms for poorly include ailing, indisposed, peaked, sickly, unwell, under the weather, seedy, ill.

poorly

/ˈpʊɹ.li/adjective, adverb2 syllables

Poorly means: somewhat ill or prone to illness.

adjective, as in somewhat ill or prone to illness

ailing, indisposed, peaked, sickly, unwell, under the weather, seedy, ill, sick

adverb, as in (‘ill’ is often used as a combining form) in a poor or improper or unsatisfactory manner; not well

adjective

somewhat ill or prone to illness“my poor ailing grandmother”

adverb

(‘ill’ is often used as a combining form) in a poor or improper or unsatisfactory manner; not well“he was ill prepared”

Definitions from the Open English WordNet, CC BY 4.0.

If you go around treating people poorly, it'll eventually bite you in the back.tsp_2
She behaves well at home, but poorly at school.AlanF_US
If you don't want to be treated poorly, don't treat others poorly.Apollogeist
Ziri speaks two languages, both of them poorly.Amastan
Although the album sold poorly, it gained a cult following and attracted critics.CM
The pool is filthy, and it reflects poorly on both of us!Amastan
The pool is filthy, and it reflects poorly on both of us.Amastan
Thanks to a cold summer, beer has sold poorly.CM

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.

as a adjective

as a adverb