1. past tense and past participle of sum; added together to find a total
2. summarized or expressed briefly the main points of something
Usage: often used with ‘up’

Examples

• She summed the numbers quickly in her head.
• The accountant summed all the expenses for the month.
• He summed up the meeting in just a few sentences.
• The teacher summed up the lesson before dismissing class.
• The costs were summed and presented to the board.
• She summed up her feelings about the project.