1. to be heavier than something else
2. to be more important, significant, or valuable than something else

Examples

• The elephant outweighs the horse by several tons.
• This heavy box outweighs all the others combined.
• The benefits of exercise outweigh the risks for most people.
• Her experience outweighs her lack of formal education.
• The evidence against him outweighs any doubts about his guilt.
• The cost of the project outweighs its potential benefits.
• His dedication to the team outweighs his occasional mistakes.