1. Previous
2. Prior
3. Preceding
4. Antecedent
5. Ex
6. Late
7. Old
8. Erstwhile
9. One-time
10. Past
11. Onetime
12. Prehistoric
13. Anterior
14. One-time
15. Quondam
16. Bygone
17. Primitive
18. Earlier
19. Predecessor
20. Antediluvian
21. Initial
22. Foregoing
23. First
24. Ancient
25. Formerly
26. Pre-existent
27. Pre-eminent
28. Old-time
29. Primitive
30. Pre-existing

Are you looking for the best ideas and synonyms for the word “former”? Look no further! Whether you’re looking for a single word or multiple words to express the same concept, this list of 30 synonyms for “former” will provide you with the best options. From “previous” and “prior” to “antediluvian” and “primitive”, you’ll find the perfect word to express your meaning. With this comprehensive list of synonyms, you’ll be able to find the right word for any occasion. From formal documents to casual conversations, you’ll be able to find the perfect synonym for “former”.