[verb uhn-der-lahyn, uhn-der-lahyn; noun uhn-der-lahyn]
- to mark with a line or lines underneath; underscore.
- to indicate the importance of; emphasize, as by stressing or italicizing.
- Printing. a caption under an illustration.
- a line drawn under something; an underscore.
Origin of underline
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for underlining
Underlining the importance of togetherness, taste, and the relationship between humans and the bounty of nature.All Hail the French Meal
December 6, 2010
Both Bush and Carter succeeded only in underlining the limits of American power.Obama: More Nixon Than Carter
September 25, 2010
I began reading it in earnest last summer, underlining and making notes in the margins.A Legendary Reporter Exposes His Favorite Reads
March 17, 2009
This e-text uses a combination of underlining and mouse-hovers.Samuel Richardson's Introduction to Pamela
Smith used it continually, underlining his remarks with it, so to speak.In the Foreign Legion
Between a couple of—(underlining the word) Shirts, and brought it home.Puppets at Large
Material and color are indicated on the left by underlining.Library Bookbinding
Arthur Low Bailey
She pointed to the message, underlining words with her finger.Badge of Infamy
Lester del Rey
- to put a line under
- to state forcibly; emphasize or reinforce
- a line underneath, esp under written matter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for underlining
Online Etymology Dictionary, © 2010 Douglas Harper