The word "bulkiest" refers to something that is large and heavy. It can be used to describe an object, such as furniture, or a person who is overweight. Some synonyms for the word "bulkiest" include "heaviest," "largest," "most cumbersome," "most massive," and "most weighty." These words are commonly used to describe an object that is difficult to move or manipulate due to its size and weight. Other synonyms for "bulkiest" might include "most unwieldy" or "most cumbersome," which describe something that is awkward or difficult to handle due to its size or shape. No matter which synonym you choose, each word shares the same general meaning of "bulky" or "heavy".