1. Outer
2. Exterior
3. Foreign
4. Alien
5. Peripheral
6. Beyond
7. Distant
8. Remote
9. Outside
10. Away
11. Away from
12. Outward
13. Unrelated
14. Off
15. Unconnected
16. Offsite
17. Unfamiliar
18. Off-site
19. Foreigner
20. Outmost
21. Abroad
22. Away from home
23. Unaffiliated
24. Exogenous
25. Unrelated to
26. Outlandish
27. Unrelated to the inside
28. Non-internal
29. From outside
30. Out of the ordinary

Finding the best synonyms for the word “external” can be a difficult task. It’s important to find the perfect words to accurately convey the meaning of the word in the context of your writing. Here are some of the best ideas for synonyms for “external”—words like outer, exterior, foreign, alien, peripheral, beyond, distant, remote, outside, away, outward, unrelated, off, unconnected, offsite, unfamiliar, off-site, foreigner, outmost, abroad, away from home, unaffiliated, exogenous, unrelated to, outlandish, unrelated to the inside, non-internal, from outside, and out of the ordinary. With these synonyms for “external”, you’ll be able to find the perfect word to accurately express the meaning of the word in any context.