When you are searching for a synonym for the phrase "latch onto," it usually means that you want to find alternative expressions that mean to understand or to become interested in something. Some of the most common synonyms for "latch onto" include "grasp," "seize," "cling to," "attach oneself to," "fixate on," "fasten on," "take hold of," and "catch on to." By using these words, you can create more dynamic and engaging sentences that capture the essence of what you want to convey. Therefore, if you are looking for ways to enhance your writing or speaking skills, exploring different synonyms can be a helpful exercise.