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One Word Substitution

Vocabulary One-Word Substitution

Replace a descriptive phrase with a precise single word that matches sense, register, and context.


What is one-word substitution?

A one-word substitution is a concise word that expresses the idea of a longer phrase. Good choices respect meaning, tone/register, and collocation.

Quick idea: Prefer the word you’d expect in real writing for that context (legal, academic, everyday).
Phrase One word Notes / Register
a person who fears/confines themselves to staying indoors agoraphobe Psychological term; use where appropriate.
a speech in praise of someone (often after death) eulogy Formal/ceremonial context.
a remedy for all difficulties or diseases panacea Often used figuratively (“no panacea”).
one who hates humankind misanthrope Strong negative connotation; literary/formal.
a government by a small group of powerful people oligarchy Political-science term.
fear of enclosed spaces claustrophobia Clinical/neutral register.
one who can use both hands with equal skill ambidextrous Everyday/neutral register.
a person who loves themselves excessively narcissist Psychology/colloquial; be mindful of tone.
something not allowing light to pass through opaque Also figurative: “opaque writing”.

“The best single word is the one readers already expect in that exact context.”

Usage Tip
Key points
  • Match sense precisely (avoid near-misses).
  • Check register: formal, technical, neutral.
  • Watch connotation (positive/negative).
  • Prefer words that fit natural collocations.
sense register connotation collocation

Useful Categories

People
  • teetotaler — one who abstains from alcohol
  • polyglot — person who knows many languages
  • benefactor — one who gives aid (esp. money)
Behaviours/Traits
  • altruism — selfless concern for others
  • prodigal — wastefully extravagant
  • parsimonious — extremely frugal
Institutions/Abstract
  • anarchy — absence of government
  • monogamy — marriage with a single partner
  • amnesty — official pardon (group/period)
Rule: If two words look right, test them in a sentence from the target domain (news/legal/academic).
Common Pitfalls
  • Near-synonym trap: economical (cost-effective) vs economic (related to economy).
  • Register mismatch: choosing apprise in casual chat → prefer tell/inform.
  • Scope error: asylum (protection) vs sanctuary (safe place; broader).

Check dictionary labels: formal/technical/archaic before substituting.

One-word substitution illustration
Precision matters: sense + register + collocation.

Practice

A) Multiple Choice
  1. “a person who eats only plants”:
    omnivore herbivore carnivore gourmet
  2. “one who doubts accepted opinions”:
    sceptic zealot stoic ascetic
  3. “a record of one’s life written by oneself”:
    biography autobiography memo diary
B) Match the Phrase → Word
  1. a written false statement that damages reputation
  2. one who looks on the bright side
  3. a cure that seems to solve everything
  4. killing of one’s own kind
  5. a short, witty, instructive saying
  1. optimist
  2. panacea
  3. maxim
  4. libel
  5. fratricide

Write the correct letter (A–E) against each number.

C) Tiny code sample (formatting test)
// Return preferred substitution if present
const pickOneWord = (phrase) => {
  const map = { "praise speech": "eulogy", "cure for all": "panacea" };
  return map[phrase] || "—";
};
Short Reading

The committee granted _____ to first-time offenders, and the spokesperson delivered a moving _____ to honour the retiring founder.

Task: Fill with precise one-word substitutions (formal register).

Show Suggested Answers
A) MCQ
  1. herbivore
  2. sceptic
  3. autobiography
B) Match (key)

1 → D (libel), 2 → A (optimist), 3 → B (panacea), 4 → E (fratricide), 5 → C (maxim)

Reading

committee granted amnesty; spokesperson delivered a eulogy.

Exam tips
  • Verify the domain (medicine, law, psychology) before picking.
  • Prefer widely accepted modern terms over archaic ones.
  • Check connotation: neutral vs evaluative (e.g., miser vs thrifty).
  • Read sample sentences to confirm natural usage.
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