1️⃣ Reinforce
Meaning: To strengthen or support
Sentence: The teacher reinforced the basic concepts before the exam.
Synonyms: Strengthen, Support
2️⃣ Deteriorate
Meaning: To become worse
Sentence: His handwriting deteriorated due to lack of practice.
Synonyms: Decline, Worsen
3️⃣ Ambiguous
Meaning: Having more than one meaning; unclear
Sentence: The question was ambiguous and confused many students.
Synonyms: Unclear, Vague
4️⃣ Prudent
Meaning: Wise and careful
Sentence: It is prudent to revise the syllabus before the exam.
Synonyms: Wise, Sensible
5️⃣ Endorse
Meaning: To approve or support
Sentence: The principal endorsed the new study plan.
Synonyms: Approve, Support
6️⃣ Commence
Meaning: To begin
Sentence: The examination will commence at 10:00 AM.
Synonyms: Start, Begin
7️⃣ Constraint
Meaning: A limitation or restriction
Sentence: Time constraint made the paper difficult.
Synonyms: Restriction, Limitation
8️⃣ Notorious
Meaning: Famous for something bad
Sentence: The area is notorious for heavy traffic.
Synonyms: Infamous, Disreputable
9️⃣ Coherent
Meaning: Clear and logically connected
Sentence: He wrote a coherent answer in the English exam.
Synonyms: Clear, Logical
🔟 Ample
Meaning: More than enough
Sentence: The students were given ample time to complete the test.
Synonyms: Sufficient, Plenty
1️⃣1️⃣ Obsolete
Meaning: No longer in use
Sentence: Typewriters have become obsolete due to computers.
Synonyms: Outdated, Old-fashioned
✅ Exam Tip (Sainik School Focus):
Vocabulary-based questions often test contextual usage, so always remember the sentence application, not just the meaning.
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