To accord emphasis to
To make a line under
Make a choice list and underline your top choices.
The teacher asked us to underline the adverb we used in each sentence.
Usually this singular grape varietal is crisp with green apples and citrus, and then complemented with herbal, flinty minerals, and grassy notes to underline its character.
However, be careful with this as the grammar checker will miss some errors and will underline some phrases that are actually correct.
The goal of Fossil handbags is to underline a timeless appeal rather than a glamourous trendiness.