English Reference

Word

underscore

Phoneticsun·der·score, stress on the third syllable

US/ˌəndɝˈskɔɹ/

UK/ˌʌndəskˈɔː/

Definition

n. a short line under a note in music that tells you to play it slightly louder than the notes around it. It is often used to emphasize a specific sound.

n. a short line placed beneath a musical note to indicate a slight increase in volume or intensity. It is a standard marking in various musical notations to highlight specific passages.

Examples

“The composer used an underscore to make the final note stand out.”

“When the choir reached the chorus, the conductor marked the lead singer's line with an underscore to ensure the audience heard the high note.”

“The arranger added an underscore to the final chord of the movement, creating a dramatic swell that signaled the transition to the next section.”

Examples

simple

“The composer used an underscore to make the final note stand out.”

contextual

“When the choir reached the chorus, the conductor marked the lead singer's line with an underscore to ensure the audience heard the high note.”

complex

“The arranger added an underscore to the final chord of the movement, creating a dramatic swell that signaled the transition to the next section.”

Collocations

Common phrases and expressions where native English speakers use the word “underscore” in context.

Verb

01. underscore importance

“The recent data underscore the importance of regular exercise for heart health.”

verb + noun

02. underscoring the need

Real-World Examples

“WHO chief Tedros Adhanom Ghebreyesus issued a statement underscoring the critical role of vaccination for public health.”
UN News 12 Aug 2026
“Researchers say the findings underscore the need for a better understanding of TFA pollution and its potential impacts.”
ScienceDaily 9 Jun 2026

Etymology

From under- + score.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

Domain

Music

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

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English Reference