loaded to excess or impeded by a heavy load; "a summer resort...encumbered with great clapboard-and-stucco hotels"- A.J.Liebling; "a hiker encumbered with a heavy backpack"; "an encumbered estate"
under or below an object or a surface; at a lower place or level; directly beneath; "we could see the original painting underneath"; "a house with a good foundation underneath"
on the lower or downward side; on the underside of; "a chest of drawers all scratched underneath"
celebrate noisily, often indulging in drinking; engage in uproarious festivities; "The members of the wedding party made merry all night"; "Let's whoop it up--the boss is gone!"