Standard Lemma guide

underline

adj · noun · verb · 11 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: /ˈʌndɚˌlaɪn/
  • Received-Pronunciation: /ˈʌndəˌlaɪn/
  • US: Recorded audio is listed in the source snapshot.
  • /ˌʌndɚˈlaɪn/ General American, alternative pronunciation of the verb
  • /ˌʌndəˈlaɪn/ Received Pronunciation, alternative pronunciation of the verb
  • rhymes with -aɪn (for alternative pronunciation of the verb)
  • CMU ARPABET: AH1 N D ER0 L AY2 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Passing under a railway line.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A line placed underneath a piece of text in order to provide emphasis or to indicate that it should be viewed in italics or (in electronic documents) that it acts as a hyperlink.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The character _.

Definition source: English Wiktionary via Wiktextract

Usage: uncommon

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: underscore, low line

Antonyms: none provided

4

noun

Meaning 4

An announcement of a theatrical performance to follow, placed in an advertisement for the current one.

Definition source: English Wiktionary via Wiktextract

Usage: dated

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A caption beneath a photograph (which may have more than one line of text).

Definition source: English Wiktionary via Wiktextract

Usage: dated

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

verb

Meaning 6

To draw a line underneath something, especially to add emphasis.

Definition source: English Wiktionary via Wiktextract

Examples

  • underline the important words in the text

Meaning relationships

Synonyms: underscore

Antonyms: none provided

7

verb

Meaning 7

To emphasise or stress something.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

verb

Meaning 8

To influence secretly.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively, obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

a line drawn underneath (especially under written matter)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: underscore

Antonyms: none provided

Broader terms: stroke

10

verb

Meaning 10

draw a line or lines underneath to call attention to

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: underscore

Antonyms: none provided

Broader terms: mark

11

verb

Meaning 11

give extra weight to (a communication)

Definition source: Princeton WordNet 3.0

Examples

  • Her gesture emphasized her words

Meaning relationships

Synonyms: underscore, emphasize, emphasise

Antonyms: none provided

Broader terms: stress, emphasize, emphasise, punctuate, accent, accentuate

History

Etymology

Etymology tree Proto-Indo-European *h1én Proto-Indo-European *h1entér Proto-Indo-European *(H)n̥dhí Proto-Indo-European *-ér Proto-Indo-European *(H)n̥dhér Proto-Germanic *under Proto-West Germanic *undar Old English under- Middle English under- English under- English line English underline From under- + line.

Across languages

Translations

100 source translations are retained for this English entry.

  • Bulgarian: подчертаване (podčertavane) — line underneath text
  • Catalan: subratllat — line underneath text
  • Czech: podtržení — line underneath text
  • Czech: podtrhnutí — line underneath text
  • Finnish: alleviivaus — line underneath text
  • French: soulignement — line underneath text
  • Galician: subliñado — line underneath text
  • German: Unterstreichung — line underneath text
  • Greek: υπογράμμιση (ypográmmisi) — line underneath text
  • Hungarian: aláhúzás — line underneath text
  • Indonesian: garis bawah — line underneath text
  • Japanese: 下線 (kasen) — line underneath text
  • Korean: 밑줄 (mitjul) — line underneath text
  • Māori: tāraro — line underneath text
  • Polish: podkreślenie — line underneath text
  • Portuguese: sublinha — line underneath text
  • Russian: подчёркивание (podčórkivanije) — line underneath text
  • Sanskrit: अधोरेखा (adhorekhā) — line underneath text
  • Swedish: understrykning — line underneath text
  • Tagalog: salungguhit — line underneath text
  • Chinese Mandarin: 下劃線 /下划线 (xiàhuáxiàn) — an _ character
  • Czech: podtržítko — an _ character
  • Finnish: alaviiva — an _ character
  • Galician: subliñado — an _ character
  • German: Unterstrich — an _ character
  • Hungarian: aláhúzásjel — an _ character
  • Indonesian: garis bawah — an _ character
  • Māori: tāraro — an _ character
  • Polish: podkreślenie — an _ character
  • Polish: podkreślnik — an _ character
  • Portuguese: underline — an _ character
  • Russian: подчёркивание (podčórkivanije) — an _ character
  • Swedish: understreck — an _ character
  • Armenian: ընդգծել (əndgcel) — to draw an underline
  • Asturian: sorrayar — to draw an underline
  • Bulgarian: подчертавам (podčertavam) — to draw an underline
  • Catalan: subratllar — to draw an underline
  • Catalan: sotalinear — to draw an underline
  • Cornish: islinya — to draw an underline
  • Czech: podtrhnout — to draw an underline
  • Danish: understrege — to draw an underline
  • Dutch: onderlijnen — to draw an underline
  • Dutch: onderstrepen — to draw an underline
  • Esperanto: substreki — to draw an underline
  • Finnish: alleviivata — to draw an underline
  • French: souligner — to draw an underline
  • Galician: subliñar — to draw an underline
  • German: unterstreichen — to draw an underline
  • Greek: υπογραμμίζω (ypogrammízo) — to draw an underline
  • Hungarian: aláhúz — to draw an underline
  • Indonesian: menggarisbawahi — to draw an underline
  • Italian: sottolineare — to draw an underline
  • Luxembourgish: ënnersträichen — to draw an underline
  • Māori: tāraro — to draw an underline
  • Polish: podkreślać — to draw an underline
  • Polish: podkreślić — to draw an underline
  • Portuguese: sublinhar — to draw an underline
  • Russian: подчёркивать (podčórkivatʹ) — to draw an underline
  • Russian: подчеркну́ть (podčerknútʹ) — to draw an underline
  • Sicilian: suttaliniari — to draw an underline
  • Spanish: subrayar — to draw an underline
  • Swedish: stryka under — to draw an underline
  • Swedish: understryka — to draw an underline
  • Tagalog: salungguhitan — to draw an underline
  • Turkish: altını çizmek — to draw an underline
  • Ukrainian: підкре́слювати (pidkrésljuvaty) — to draw an underline
  • Ukrainian: підкре́слити (pidkréslyty) — to draw an underline
  • Yiddish: אונטערשטרײַכן (untershtraykhn) — to draw an underline
  • Armenian: ընդգծել (əndgcel) — to emphasise or stress something
  • Bulgarian: наблягам (nabljagam) — to emphasise or stress something
  • Catalan: subratllar — to emphasise or stress something
  • Catalan: sotalinear — to emphasise or stress something
  • Cornish: islinya — to emphasise or stress something
  • Danish: understrege — to emphasise or stress something
  • Dutch: onderlijnen — to emphasise or stress something
  • Dutch: onderstrepen — to emphasise or stress something
  • Dutch: benadrukken — to emphasise or stress something
  • Finnish: alleviivata — to emphasise or stress something
  • French: souligner — to emphasise or stress something
  • French: attirer l’attention — to emphasise or stress something
  • Galician: subliñar — to emphasise or stress something
  • German: unterstreichen — to emphasise or stress something
  • Hungarian: hangsúlyoz — to emphasise or stress something
  • Hungarian: nyomatékosít — to emphasise or stress something
  • Italian: sottolineare — to emphasise or stress something
  • Kazakh: баса айту (basa aitu) — to emphasise or stress something
  • Kazakh: баса көрсету (basa körsetu) — to emphasise or stress something
  • Luxembourgish: ënnersträichen — to emphasise or stress something
  • Polish: podkreślać — to emphasise or stress something
  • Polish: podkreślić — to emphasise or stress something
  • Portuguese: sublinhar — to emphasise or stress something
  • Russian: подчёркивать (podčórkivatʹ) — to emphasise or stress something
  • Russian: подчеркну́ть (podčerknútʹ) — to emphasise or stress something
  • Spanish: subrayar — to emphasise or stress something
  • Swedish: understryka — to emphasise or stress something
  • Swedish: betona — to emphasise or stress something
  • Turkish: altını çizmek — to emphasise or stress something
  • Ukrainian: підкре́слювати (pidkrésljuvaty) — to emphasise or stress something
  • Ukrainian: підкре́слити (pidkréslyty) — to emphasise or stress something
  • Yiddish: אונטערשטרײַכן (untershtraykhn) — to emphasise or stress something
Real reading context

underline in complete knowledge articles