When we talk about antonyms for the word "begin," there are a plethora of words that come to mind. Some of the most common antonyms for begin are end, finish, conclude, complete, and terminate. Other antonyms include halt, stop, cease, close, and discontinue. All these words signify the opposite of beginning and indicate an end to something. While the word begin marks the start of a new project, journey, or experience, its antonyms reflect the closing of such endeavors. Knowing the antonyms of a word helps us to understand its meaning in a better way and to use it accurately and with precision.