Good, Well, Bad, and Badly
Four common adjectives and adverbs have irregular forms — good, well, bad, and badly.
People often are confused about whether to use good or well. Good is an adjective, so use it to describe a noun or pronoun. Well is an adverb, so use it to describe a verb or an adjective.
Forms of Good, Well, Bad, and Badly
| COMPARATIVE | SUPERLATIVE | |
|---|---|---|
| ADJECTIVE | ||
|
good bad |
better worse |
best worst |
| ADVERB | ||
|
well badly |
better worse |
best worst |
| ADJECTIVE | 
|
| ADVERB | 
|
Well can also be an adjective to describe someone’s health:
I am not well today.