Concept:
A synonym is a word that has a similar meaning to another word. Understanding synonyms helps improve vocabulary and comprehension.
Step 1: Understand the meaning of "Enormous".
"Enormous" means very large or extremely big in size or extent.
Step 2: Evaluate the options.
- Tiny $\rightarrow$ opposite meaning (incorrect)
- Huge $\rightarrow$ similar meaning (correct)
- Narrow $\rightarrow$ unrelated meaning (incorrect)
- Weak $\rightarrow$ unrelated meaning (incorrect)
Step 3: Conclusion.
Thus, the synonym of "Enormous" is "Huge".