noun · verb · 7 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.
Received-Pronunciation:/ˈʌn.dəˌskɔː(ɹ)/
Southern-England:Recorded audio is listed in the source snapshot.
General-American:/ˈʌn.dɚˌskoɹ/
US:Recorded audio is listed in the source snapshot.
Received-Pronunciation:/ˌʌn.dəˈskɔː(ɹ)/
Southern-England:Recorded audio is listed in the source snapshot.
General-American:/ˌʌn.dɚˈskɔɹ/
CMU ARPABET:AH2 N D ER0 S K AO1 R
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A line drawn or printed beneath text; the character _.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: underline, low line
Antonyms: none provided
2
noun
Meaning 2
A piece of background music.
Definition source: English Wiktionary via Wiktextract
Topics: entertainment, lifestyle, music
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
To underline; to mark a line beneath text.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
To emphasize or draw attention to.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Examples
I wish to underscore the importance of proper formatting.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
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: underline
Antonyms: none provided
Broader terms: stroke
6
verb
Meaning 6
draw a line or lines underneath to call attention to
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.