What is the meaning of the word augment?

The term "augment" means to make something greater by adding to it or to increase in size, amount, or degree. It is often used in contexts where something is being enhanced or enlarged through addition. For instance, when someone talks about augmenting their income, they refer to increasing their earnings, perhaps by taking on additional work or making investments.

This understanding aligns perfectly with the meaning of "increase." In contrast, the other choices refer to the act of making something smaller or more constrained, which does not convey the essence of "augment." As such, the correct interpretation of the word is to associate it with the notion of enhancement or expansion.