1. having a line drawn beneath text

1. past tense and past participle of underline; drew a line beneath text
2. past tense and past participle of underline; emphasized or stressed the importance of something

Examples

• The important words were underlined in red ink.
• She underlined the key points in her notes.
• The underlined text caught my attention immediately.
• His speech underlined the need for reform.
• The teacher underlined the due date on the assignment.
• The crisis underlined our lack of preparation.
• All the vocabulary words were underlined in the textbook.