Dictionary

1underline

verb un·der·line \ˈən-dər-ˌlīn, ˌən-dər-ˈ\

: to draw a line under (something)

: to emphasize (something) : to show the importance of (something)

Full Definition of UNDERLINE

transitive verb
1
:  to mark (as a word) with a line underneath
2
:  to put emphasis on :  stress
3
:  to show clearly or emphatically

Examples of UNDERLINE

  1. His name was underlined in the book.
  2. The accident underlines our need for better safety procedures.

First Known Use of UNDERLINE

1721

2underline

noun un·der·line \ˈən-dər-ˌlīn\

Definition of UNDERLINE

1
:  the outline of a quadruped's underbody; also :  the ventral surface of a quadruped's body
2
:  a horizontal line placed underneath something

First Known Use of UNDERLINE

1886
UNDERLINING Defined for Kids

underline

verb un·der·line \ˈən-dər-ˌlīn\
un·der·linedun·der·lin·ing

Definition of UNDERLINE for Kids

1
:  to draw a line under
2
:  emphasize <The poor results underline our need to try harder.>

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