One Word Substitution

One-word substitution simplifies language by replacing lengthy phrases with a single word, clarifying sentence structure while maintaining the original meaning. This technique makes communication effective by making sentences more precise and easier to understand. One Word Substitution Example is given below.
Original sentence: “She is the person who manages the finances of the company.”
One-word substitution: “She is the company’s treasurer.”

One Word Substitution Table 1

Below given are 82 examples of Word Substitution in English. Refer to the given table to learn one word substitution.

S. No.	Abdication	An act of renouncing the throne
1	Amphibian	A cold-blooded vertebrate animal that is born in water and breathes with gills
2	Allegory	A story, poem, or picture that can be interpreted to reveal a hidden meaning, typically a moral or political one
3	Biopsy	An examination of tissue removed from a living body to discover the presence, cause, or extent of a disease
4	Crusade	A vigorous campaign for political, social, or religious change
5	Ephemeral	Lasting for a very short time
6	Extempore	Spoken or done without preparation
7	Exonerate	Release someone from a duty or obligation
8	Gregarious	Fond of company
9	Indelible	Making marks that cannot be removed
10	Infallible	Incapable of making mistakes or being wrong
11	Inevitable	Certain to happen
12	Panacea	A solution or remedy for all difficulties or diseases
13	Pantheism	A doctrine that identifies God with the universe
14	Pedantic	Excessively concerned with minor details or rules
15	Potable	Safe to drink
16	Regalia	The emblems or insignia of royalty
17	Utopia	An imaginary ideal society free of poverty and suffering
18	Autonomous	Self-governing or independent
19	Asylum	An institution for the care of people who are mentally ill
20	Arsenal	A collection of weapons and military equipment
21	Alcove	A small recessed section of a room set off by walls
22	Abattoir	A building where animals are butchered
23	Arboretum	A botanical garden devoted to trees
24	Attic	A space or room just below the roof of a building
25	Archipelago	A group of islands
26	Anchorage	A place suitable for anchoring in water
27	Amnesia	A partial or total loss of memory
28	Apathy	Lack of interest, enthusiasm, or concern
29	Apostrophe	A punctuation mark (’) used to indicate either possession or the omission of letters or numbers
30	Arsenal	A collection of weapons and military equipment
31	Asylum	An institution for the care of people who are mentally ill
32	Asthma	A respiratory condition marked by spasms in the bronchi of the lungs, causing difficulty in breathing
33	Augury	A sign of what will happen in the future; an omen
34	Anemia	A condition in which there is a deficiency of red cells or of hemoglobin in the blood, resulting in pallor and weariness
35	Avarice	Extreme greed for wealth or material gain
36	Acrimony	Bitterness or ill feeling
37	Adulteration	The action of making something impure by adding inferior or tainted substances
38	Adversary	One’s opponent in a contest, conflict, or dispute
39	Affinity	A spontaneous or natural liking or sympathy for someone or something
40	Alacrity	Brisk and cheerful readiness
41	Ambivalence	The state of having mixed feelings or contradictory ideas about something or someone
42	Anomaly	Something that deviates from what is standard, normal, or expected
43	Apex	The top or highest part of something, especially one forming a point
44	Apprehension	Anxiety or fear that something bad or unpleasant will happen
45	Arrogance	The quality of being arrogant; the display of superiority or self-importance
46	Aversion	A strong dislike or disinclination
47	Affluence	The state of having a great deal of money; wealth
48	Aversion	A strong dislike or disinclination
49	Autonomy	The right or condition of self-government
50	Aspiration	A hope or ambition of achieving something
51	Adversity	Difficulties; misfortune
52	Assent	The expression of approval or agreement
53	Accordance	In agreement or harmony
54	Acumen	The ability to make good judgments and quick decisions, typically in a particular domain
55	Asceticism	Severe self-discipline and avoidance of all forms of indulgence, typically for religious reasons

PI Words

One Word Substitution Table 2

The table below provides a few more One-Word Substitutions in English.

S. No.	One Word Substitution	Generic Terms
1	Altruism	Selfless concern for the well-being of others
2	Amicable	Having a spirit of friendliness; without serious disagreement or rancor
3	Ambiguous	Open to more than one interpretation; not having a single clear meaning
4	Antecedent	A thing or event that existed before or logically precedes another
5	Arcane	Understood by few; mysterious or secret
6	Articulate	Having or showing the ability to speak fluently and coherently
7	Assiduous	Showing great care and perseverance
8	Audacity	The willingness to take bold risks
9	Aesthetic	Concerned with beauty or the appreciation of beauty
10	Bereavement	The state of being deprived of a close relation or friend through their death
11	Benevolent	Well-meaning and kindly
12	Commiserate	Express or feel sympathy or pity; sympathize
13	Conundrum	A confusing and difficult problem or question
14	Disparate	Essentially different in kind; not allowing comparison
15	Eloquent	Fluent or persuasive in speaking or writing
16	Epiphany	A moment of sudden revelation or insight
17	Exacerbate	Make (a problem, bad situation, or negative feeling) worse
18	Facetious	Treating serious issues with deliberately inappropriate humor
19	Formidable	Inspiring fear or respect through being impressively large, powerful, intense, or capable
20	Galvanize	Shock or excite (someone) into taking action
21	Gregarious	Fond of company; sociable
22	Incognito	(Of a person) having one’s true identity concealed
23	Ineffable	Too great or extreme to be expressed or described in words
24	Inexorable	Impossible to stop or prevent
25	Innocuous	Not harmful or offensive
26	Intrepid	Fearless; adventurous
27	Juxtapose	Place or deal with close together for contrasting effect
28	Malevolent	Having or showing a wish to do evil to others
29	Melancholy	A feeling of pensive sadness, typically with no obvious cause
30	Metamorphosis	A change of the form or nature of a thing or person into a completely different one, by natural or supernatural means
31	Modicum	A small quantity of a particular thing, especially something considered desirable or valuable
32	Moratorium	A temporary prohibition of an activity
33	Nebulous	In the form of a cloud or haze; hazy
34	Nefarious	Wicked or criminal
35	Obfuscate	Render obscure, unclear, or unintelligible
36	Ominous	Giving the impression that something bad or unpleasant is going to happen; threatening

Important One-Word Questions in English

Here are some important one-word substitutions commonly found in competitive exams:

1. What is the term for a person who is excessively fond of or always craving for sweet things? Glutton
2. What is the word for a person who can communicate with the dead? Medium
3. What is the term for a government by the nobility or privileged class? Aristocracy
4. What is the word for a person who is devoted to sensual pleasures and luxury? Hedonist
5. What is the term for a person who has a compulsive desire to steal? Kleptomaniac
6. What is the word for a person who lives at the expense of others and avoids work? Parasite
7. What is the term for a person who travels to a foreign country to settle there? Immigrant
8. What is the word for a person who believes in complete abolition of government and laws? Anarchist
9. What is the term for the practice of eating insects? Entomophagy
10. What is the word for a person who is excessively fond of or always craving for cheese? Turophile
11. That which cannot be corrected? Incorrigible
12. One who is unable to pay his debts? Insolvent
13. One who is hard to please? Fastidious
14. A person who speaks two languages fluently? Bilingual
15. A person who shows a great or excessive fondness for one’s wife? Uxorious