Taking a breather is a phrase that means to pause and rest momentarily. However, the opposite of this could mean to keep going or to continue with the task at hand without stopping for a break. Other antonyms for taking a breather include pushing forward, charging ahead, marching on, pressing on, powering through, and forging on. In situations where rest is not an option, it may be necessary to use one of these antonyms to convey the idea of perseverance and determination despite the challenging circumstances. It's important to evaluate our needs and goals and decide whether we need to take a break or push forward towards our objectives.