1. the act of emphasizing or highlighting something important
Usage: gerund form

1. emphasizing or highlighting the importance of something
Usage: present participle of underscore
2. drawing a line under text or words
Usage: present participle of underscore; literal sense

Examples

• The teacher was underscoring the key points by writing them on the board.
• Her speech was underscoring the need for immediate action on climate change.
• The report is underscoring several critical safety concerns.
• He kept underscoring important dates in his textbook.
• The underscoring of these issues helped clarify the main argument.
• The data is underscoring the effectiveness of the new treatment.
• She was underscoring each vocabulary word as she read.