1. Simultaneous
2. Mutual
3. Joint
4. Concurrent
5. Common
6. Equally
7. Together
8. All
9. Double
10. Togetherness
11. Unified
12. Combined
13. Cooperative
14. Unison
15. Equivalent
16. Harmonious
17. Like
18. Linked
19. United
20. Synergistic
21. Parallel
22. Interchangeable
23. Uniform
24. Identical
25. Similar
26. Interrelated
27. Matching
28. Interdependent
29. Coordinated
30. Alike

Searching for synonyms for the word «both» can be a challenge. There are a variety of words that can be used in place of «both» depending on the context. Some of the best ideas for synonyms for «both» include simultaneous, mutual, joint, concurrent, common, equally, together, all, double, togetherness, unified, combined, cooperative, unison, equivalent, harmonious, like, linked, united, synergistic, parallel, interchangeable, uniform, identical, similar, interrelated, matching, interdependent, coordinated, and alike. Each of these words can be used to replace «both» in a sentence to provide a more precise and specific meaning.