21. Choose the correct synonym of the word “Oval”
Correct Answer: A. shaped like an egg
Explanation: Oval is a geometric form that is elongated and rounded; shaped like an egg.
22. Among the synonyms of O, the synonym of “Ovation” is:
Correct Answer: A. applause
Explanation: An Ovation is an enthusiastic and public display of approval; widespread applause.
23. Choose the correct synonym of the word “Overwhelm”
Correct Answer: B. over-power
Explanation: To Overwhelm is to defeat or swallow up with intensity; to over-power.
24. Choose the correct synonym of the word “Ominous”
Correct Answer: A. threatening
Explanation: Ominous means giving the impression that something bad is about to happen; threatening.
25. Among the synonyms of O, the synonym of “Onerous” is:
Correct Answer: D. burdensome
Explanation: Onerous refers to a task that involves heavy effort; something difficult and burdensome.
26. Choose the correct synonym of the word “Obsolete”
Correct Answer: C. outmoded
Explanation: Obsolete means no longer produced or used; something outmoded or outdated.
27. Among the synonyms of O, the synonym of “Obtuse” is:
Correct Answer: A. stupid
Explanation: Obtuse means slow to understand or annoyingly insensitive; lacking intelligence or stupid.
28. Choose the correct synonym of the word “Originate”
Correct Answer: B. arise
Explanation: To Originate is to have a specified beginning; to arise or come into existence.
29. Among the synonyms of O, the synonym of “Occult” is:
Correct Answer: C. supernatural
Explanation: Occult relates to mystical or magical powers; phenomena that are supernatural.
30. Choose the correct synonym of the word “Obscure”
Correct Answer: A. unknown
Explanation: Obscure means not well-known or identified; being unknown to most people.
31. Choose the correct synonym of the word “Obscene”
Correct Answer: D. indecent
Explanation: Obscene relates to offensive sexual or repellent content; being morally indecent.
32. Among the synonyms of O, the synonym of “Obstinate” is:
Correct Answer: D. stubborn
Explanation: Obstinate means refusing to change despite persuasion; being unyieldingly stubborn.
33. Choose the correct synonym of the word “Obdurate”
Correct Answer: D. adamant
Explanation: To be Obdurate is to be stubbornly resistant to influence; being adamant in one’s position.
34. Choose the correct synonym of the word “Overturn”
Correct Answer: C. countermand
Explanation: To Overturn a decision is to reverse it officially; to countermand an order.
35. Among the synonyms of O, the synonym of “Onslaught” is:
Correct Answer: A. attack
Explanation: An Onslaught is a fierce and destructive attack against an opponent.
36. Choose the correct synonym of the word “Odd”
Correct Answer: D. queer
Explanation: Odd describes something strange or unusual; queer is a synonym for abnormality.
37. Choose the correct synonym of the word “Oasis”
Correct Answer: A. haven
Explanation: An Oasis is a pleasant place of relief in a dry area; a haven or refuge.
38. Choose the correct synonym of the word “Obstreperous”
Correct Answer: C. boisterous
Explanation: Obstreperous means noisy and difficult to control; loud and boisterous behavior.
39. Among the synonyms of O, the synonym of “Obedient” is:
Correct Answer: D. dutiful
Explanation: Obedient means complying with rules or requested behavior; being dutiful.
40. Choose the correct synonym of the word “Obeisance”
Correct Answer: D. homage
Explanation: Obeisance is a gesture of respect or submission; paying homage to a superior.
In our Synonyms section, we have organized the most important synonyms in alphabetical order. This post focuses on the synonyms of O. It is designed to help users learn and practice these synonyms, many of which have appeared in previous exam papers. These words may also be asked in upcoming competitive exams such as CSS, PMS, CCE, JEST, PST, HST, SST, ASI, Inspector, Assistant Director, and others.
A strong grasp of synonyms is essential for English preparation—especially in exams where vocabulary is assessed. Synonyms help convey the correct meaning, emotion, action, or description, and they reflect the depth of a candidate’s vocabulary. This is particularly important for crafting impressive and precise writing, which is a key factor in competitive exams.