The term "run of luck" refers to either a lucky or unlucky streak of events that happen consecutively. The antonyms to this phrase can be "misfortune," "bad luck," or "unluckiness." These terms refer to a series of unfortunate events that occur one after the other. If someone is experiencing a run of bad luck, they may feel like everything they do is met with failure or obstacles. Conversely, the antonyms of "run of luck" can be "success," "good fortune," or "luckiness." These words refer to a series of positive events that happen favorably. When someone experiences a run of good luck, they may feel elated or blessed.