Antonyms are words that have opposite meanings to each other. When it comes to the phrase "breaks train thought," some possible antonyms could include "concentrate," "focus," "attend," and "fixate." These words all relate to the ability to stay on task and maintain a train of thought, rather than allowing distractions or interruptions to pull attention away. Other antonyms for "breaks train thought" might include "enhance mental clarity," "improve focus," "increase concentration," and "boost cognitive function." By considering antonyms for this phrase, we can gain insight into what behaviors and activities are most helpful for staying alert and engaged in our mental work.