1) Oppress 2) To exceed in weight 3) To weigh down 
• (v. t.) To exceed in weight; to overbalance; to weigh down.
O`ver·weigh' transitive verb To exceed in weight; to overbalance; to weigh down. Drayton. Hooker. 
to exceed in weight; overbalance or outweigh: a respected opinion that overweighs the others. · to weigh down; oppress; burden: gloom that overweighs one's spirits.