Here's what rhymes with overburdened.
burdened unburdened Words that almost rhyme with overburdened
burgeoned verdant merchant serpent divergent emergent detergent convergent inadvertent insurgent resurgent worsened curdled girdled determined circled purposed fervid gurgled asserted averted hurtled discouraged encircled squirted inserted concerted reasserted reinserted disconcerted