The correct answer is- 'Active' Key Koints - let's look at the meaning of the given word and the correct answer: - Dormant (adjective): Something that is dormant is not active or growing but has the ability to be active at a later time. - Example: These investments have remained dormant for several years. - Active(adjective): busy with a particular activity. - Example: You have to try to keep active as you grow older. Hence, the word Active is the most appropriate antonym for Dormant.