underscores; underscored; underscoring
1
: to emphasize (something) or show the importance of (something)
These failures underscore the difficulty of what we're attempting to do.
The President's visit underscores the administration's commitment to free trade.
2
: to draw a line under (something) : underline
She underscored the most important points.
Cite this Entry
“Underscore.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/underscore. Accessed 19 Jun. 2026.
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