Overburdened refers to something or someone being loaded with too much weight or responsibility. The opposite of overburdened can be expressed through terms such as unburdened, lightened, liberated, or relieved. Instead of being excessively encumbered, one may feel at ease, unburdened by their tasks, or free from any added pressure. By using antonyms for words such as overburdened, we can describe a different state or condition and capture the essence of the opposite meaning. Therefore, using antonyms can provide us with a clear understanding of the various nuances of language and how words can convey different messages.