| retr | (astronomy) moving from east to west on the celestial sphere |
|---|---|
| retr | going from better to worse |
| retr | loss of memory for events immediately preceding a trauma |
| retr | go back to bad behavior |
| retr | get worse |
| retr | returning to a former state |
| retr | passing from a more complex to a simpler biological form |
| retr | going from better to worse |
| retr | posterior branch of the facial vein |
| retr | small genus of tropical evergreen dioecious shrubs or trees of Oceania and tropical South America |
| retr | a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course |
| retr | (biology) bent or curved backward or downward |