The antonyms for the word "carries through" include "abandons," "quits," and "fails." Abandoning a task means giving up on it before completing it, whereas quitting is stopping midway due to lack of motivation or interest. Failing, on the other hand, indicates an unsuccessful attempt to complete a task. Other antonyms for "carries through" are "retreats," "surrenders," and "withdrawing." All these words suggest the lack of determination or inability to complete a task, which is the opposite of carrying through. It's vital to understand these antonyms to avoid confusion when studying or using the word "carries through" in daily communication.