What is a synonym for all better?

There isn't a single perfect synonym for "all better," as its meaning depends on context. Here are some options depending on what you mean:

If you mean completely healed:

* Fully recovered

* Sound

* Well

* Healthy

If you mean improved:

* Better

* Improved

* Enhanced

* Mended

If you mean feeling happier or more positive:

* Cheerful

* Optimistic

* Upbeat

* Happy

If you mean feeling less distressed:

* Relieved

* Soothed

* Calmed

* Tranquil

Ultimately, the best synonym for "all better" will depend on the specific context and the nuance you want to convey.