Here are the matched words with their definitions:

1. **I** - catching up: come closer, to be at same place as others
2. **K** - cling: to hang on something tightly, to stick to something
3. **J** - sex-selective abortion: the killing of a fetus because of its gender
4. **E** - cooperate: work together for a common purpose
5. **G** - extraordinary: very unusual or surprising
6. **D** - withdraw: to move away
7. **H** - recreate: to build again, make again
8. **F** - annoyed: bothered, unhappy because of many bad things
9. **B** - debating: discussing or arguing
10. **A** - significant: important and meaningful

The two remaining phrases that are unused are:

**C** - happening in many places or to many people
**L** - someone new to a field or activity