Seedy
Part of speech: adjective
Definition: disreputable; run-down full of seeds untidy; unkempt infirm; gone to seed suffering the effects of a hangover
Poorly
Part of speech: adverb
Definition: in a poor manner
Part of speech: adjective
Definition: ill, unwell, sick
Example sentence: In American math classes, we teach a lot of concepts poorly over many years. In the Asian systems they teach you very few concepts very well over a few years.