Here’s a list of words starting with the letter “O,” along with synonyms for each:
1. Observe – Watch, Monitor
2. Opportunity – Chance, Opening
3. Optimize – Improve, Enhance
4. Outstanding – Excellent, Remarkable
5. Overwhelm – Overpower, Crush
6. Objective – Goal, Purpose
7. Obligatory – Mandatory, Required
8. Oasis – Haven, Refuge
9. Occurrence – Event, Incident
10. Original – Authentic, Genuine
11. Offspring – Progeny, Descendant
12. Obey – Comply, Follow
13. Ornate – Elaborate, Decorative
14. Organize – Arrange, Systematize
15. Open-minded – Unbiased, Accepting
16. Omit – Exclude, Leave out
17. Outgoing – Sociable, Extroverted
18. Overjoyed – Ecstatic, Thrilled
19. Outrageous – Shocking, Scandalous
20. Overcome – Conquer, Overpower
21. Observant – Attentive, Watchful
22. Oppose – Resist, Contradict
23. Overflow – Flood, Spill over
24. Obsolete – Outdated, Extinct
25. Optimal – Best, Ideal
26. Outspoken – Vocal, Candid
27. Outrage – Anger, Indignation
28. Oblige – Compel, Require
29. Opulent – Luxurious, Lavish
30. Optimum – Best, Optimal
31. Open – Unlocked, Accessible
32. Outsmart – Outwit, Outfox
33. Oust – Remove, Expel
34. Overlook – Neglect, Miss
35. Outrageous – Shocking, Scandalous
36. Overcome – Conquer, Surmount
37. Observant – Attentive, Perceptive
38. Oppose – Resist, Challenge
39. Overflow – Flood, Spill
40. Obsolete – Outdated, Obsolescent
41. Optimal – Best, Ideal
42. Outspoken – Vocal, Frank
43. Outrage – Indignation, Fury
44. Oblige – Compel, Force
45. Opulent – Lavish, Luxurious
46. Optimum – Best, Prime
47. Occurrence – Instance, Incident
48. Open – Unsealed, Accessible
49. Outsmart – Outwit, Outmaneuver
50. Oust – Remove, Depose
51. Overlook – Miss, Neglect
52. Outrageous – Scandalous, Outlandish
53. Overcome – Defeat, Conquer