From burden + -ous. <span class="searchmatch">burdenous</span> (comparative more <span class="searchmatch">burdenous</span>, superlative most <span class="searchmatch">burdenous</span>) (obsolete) Heavy; oppressive. 1590, Edmund Spenser, “Book BUT...
it chanced that a certain priest, who was journeying from Ulster towards Meath, was benighted in a wood that lies on the boundures of Meath. <span class="searchmatch">burdenous</span>...
Shepheardes Calender: […], London: […] Iohn Wolfe for Iohn Harrison the yonger, […], →OCLC: her soul unbodied of the <span class="searchmatch">burdenous</span> cors nobudy, nu body, ybound...
burdenless burden of persuasion burden of production burden of proof <span class="searchmatch">burdenous</span> burdensome debt burden disburden double burden emburden enburden enburdenment...