The antonyms for the word "inconsistent" are numerous and include words such as consistent, reliable, dependable, uniform, regular, and steady. These words denote the opposite of inconsistency, which means something that is consistent, unwavering, and trustworthy. For instance, if you want to describe a machine that operates smoothly without any interruptions, you might use the word dependable, which means that the machine can be depended on and will work consistently. Similarly, if you are describing a person who is reliable, you are indicating that they are consistent in their words and actions, and you can count on them to do what they say they will do.