Answers
1. The impudent child antagonized his teachers. (impudent = insolent)
2. Freedom of speech is an inalienable right. (inalienable = inviolable)
3. The singer was offended by the inattentive audience. (inattentive = distracted)
4. The improvident heir quickly spent the family fortune. (improvident = spendthrift)
5. It was an inauspicious moment to start. (inauspicious = disastrous)
6. She made some inane remarks about the weather. (inane = ridiculous)
7. The guest delivered an impromptu speech. (improvised)
8. There we came across many impoverished children. (destitute)
9. The nuptial ceremony was very brief. What can replace nuptial? (matrimonial)
10. The room was filled with noxious fumes. What can replace noxious? (pernicious)
11. Some animals are nocturnal feeders. What can replace nocturnal? (nightly)
12. How can he be nonchalant in all this trouble? What can replace nonchalant? (unaffected)
