The concept of "getting better" has a range of synonyms to express it more precisely or more casually. Some examples include "improved," "recovered," "healed," "progressed," "became healthier," "got stronger," "mended," "amended," and "picked up." Depending on the context and degree of improvement, other options can include "upgraded," "enhanced," "revitalized," "refined," "perfected," "developed," and "evolved." In casual speech, some common synonyms for "got better" include "got well," "got back to normal," "bounced back," and "kicked the habit." It's essential to choose the most appropriate synonym based on the context and intended meaning.