TSA CBT Practice Test 2026 - Free TSA CBT Practice Questions and Study Guide

The correct answer is indeed "Pronoun." In grammar, a pronoun is specifically designed to take the place of a noun, which helps to avoid repetition and makes sentences smoother and more coherent. For example, instead of saying "Sarah loves Sarah’s dog," you can use a pronoun and say "Sarah loves her dog." This replacement makes the sentence clearer and more fluid.

The other options do not fulfill this role. A noun itself is the name of a person, place, thing, or idea, and does not replace anything. An adjective describes or modifies a noun, providing more detail about it, and an adverb modifies a verb, an adjective, or another adverb, indicating manner, place, time, or degree, rather than replacing a noun. Therefore, the only option that accurately describes a word that replaces a noun is "Pronoun."