One-word substitution

Vocabulary · free study notes

One‑Word Substitution

English Language – Nagaland TET (Teacher Eligibility Test)


1. What is it?

  • One‑word substitution means replacing a word in a sentence with exactly one other word that means the same thing (a synonym).
  • The new word must fit the sentence exactly – same tense, same part of speech, and keep the meaning unchanged.

Analogy
Think of it like swapping a picture in a frame. The frame stays the same, but the picture inside changes to a different one that looks just as good.


2. Why do we use it?

Reason Short explanation
Clarity A better word can make a sentence clearer.
Word‑power Using varied vocabulary shows you know English well.
Exam skill Many tests ask you to find the best synonym in a sentence.

3. How to spot the word to replace

  1. Underline the word that seems a bit odd or could be improved.
  2. Check its meaning in the sentence, not just its dictionary definition.
  3. Make sure you keep the same part of speech (noun, verb, adjective, etc.).

4. Quick Tips

Tip What it means
Look at the whole sentence Context helps choose the right synonym.
Think of the word’s “family” If the word is a noun, think of noun synonyms; if it’s an adjective, think of adjective synonyms.
Use a thesaurus or synonym list A quick mental list of common synonyms helps.
Check tense & form If you replace a verb, keep it in the same tense.
Read aloud If the sentence still sounds right, you’re likely good.

5. Common Mistakes to Avoid

Mistake Why it’s wrong
Changing the tense of a verb “She runs.” → “She ran.” (wrong tense)
Replacing a noun with an adjective “The book is good.” → “The good is good.”
Adding extra words “He quickly ran.” → “He fast ran.” (extra word “fast” changes meaning)
Choosing a synonym that changes the nuance “She was happy.” → “She was content.” (content is calmer)

6. Tiny Example

Original Replacement
The teacher praised the student for his hard work. The teacher praised the student for his diligent work.
  • Hard (adjective) → diligent (adjective).
  • The tense and meaning stay the same.

7. Practice Question

Replace the underlined word with a synonym that fits best.

The scientist examined the peculiar sample carefully.

Your Answer

(Leave space for the student to write)


8. Answer Key

The scientist examined the odd sample carefully.

Peculiar → odd (same adjective, keeps the meaning).


9. Quick Quiz for You

  1. The child’s loud laugh filled the room.

    • Choose a synonym: ___
  2. She gave me a tiny piece of advice.

    • Choose a synonym: ___

Answers:

  1. loud → noisy
  2. tiny → small

(Try to explain why you chose each word – that’s how you’ll remember it.)


Final Thought

Think of one‑word substitution like a word‑swap game: keep the sentence’s shape and meaning, just use a different word that fits perfectly. With practice, you’ll be able to spot the right synonym in seconds!

Your note

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