Simple past tense and past participle of unburden.(verb)
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Use "unburdened" in a sentence
"One moral reformer in Montana reported this about life in a mining town: Men without the restraint of law, indifferent to public opinion, and unburdened by families, drink whenever they feel like it, whenever they have the money to pay for it, and whenever there is nothing else to do. . ."
"Look then for the blank card, the sprung trap, the net's dissolve, the unburdened line that swings free in the air."
"In the nearly 24 months since Mr. Obama's election, popular enthusiasm for him has gone the way of his famous speeches — lyrical, inspired and unburdened by the weight of concrete thought."