good or well? Good is an adjective. Well is the adverb form of good . Compare: He is a good baseball player. He hits the ball well. Insistence on well rather than good has resulted in a split in connotation: well is standard, neutral, and colorless, while good is emotionally charged and emphatic. Being positive or desirable in nature; not bad or poor: a good experience; good news from the hospital. 2. a. Having the qualities that are desirable or distinguishing in a particular thing: a good exterior paint; a good joke. b. Serving the desired purpose or end; suitable: Is this a good dress for the party? 3. a. In most contexts, the concept of good denotes the conduct that should be preferred when posed with a choice between possible actions. Good is generally considered to be the opposite of evil.