1) Be heavier than 2) Exceed 3) Outdo 4) Outgo 5) Outmatch 6) Outperform 7) Outstrip 8) Surmount 9) Surpass 10) To exceed in weight or mass 11) Weigh more heavily 1) Outbalance 2) Overbalance 3) Preponderate 4) Prevail 
• (v. t.) To exceed in weight or value.
[Verb] To be more important than something.
Out·weigh' transitive verb To exceed in weight or value. 
[v] - be heavier than
to exceed in value, importance, influence, etc.: The advantages of the plan outweighed its defects. · to exceed in weight: The champion will probably outweigh his opponent. · to be too heavy or burdensome for: Collapse may follow if the load outweighs its supports.
[Scientific terms] be more important or signficant than