# underlining

/ˈəndɝˌɫaɪnɪŋ/ (US) · /ˌʌndəlˈaɪnɪŋ/ (UK) · CEFR B2 · Verb

Source: https://englishreference.com/word/underlining
Updated: 2026-10-13

## Definition

to draw a line under a word to show it is important, or to emphasize a point you are making. You use this when you want to make sure someone notices a specific detail.

For teachers: to draw a line beneath text for emphasis or to indicate a hyperlink; figuratively, to stress the importance of a statement or fact. Often used in the present participle form to highlight a critical point in an argument.

## Examples

- She is underlining the most important words in her notes.
- The recent drop in sales is underlining the urgent need for a new marketing strategy.
- By underlining the systemic failures of the previous administration, the report serves as a catalyst for comprehensive legislative reform across the department.

## Synonyms

underscore, highlight

## Usage notes

- Transitive; when used figuratively, it often takes an abstract noun phrase as its object.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.