Underline

/ˈʌndɚˌlaɪn/

Synonyms for "underline" (132 found)

Ranked by relevance and common usage.

Closest matches (27)

Strong matches (39)

Show 8 more words
legendlinelineationmake a federal casemake a markmarkmark offmark out
Noun(9 words)
emphasis lineemphasizeformatting markhighlighthighlightshyperlink cuelink indicatormarkmark variable
Verb(2 words)

Related words (66)

Choosing the right synonym

  • Closest matches in this entry: underscore, accent, accentuate, band, bar.
  • Sentence evidence is available for underline, so synonym choice can be checked against real usage rather than a flat word list.
  • Ranking signals come from wordnet, opengloss, moby, derived_reverse, and related lexical sources.

Synonym selection checklist

  • Match the part of speech before comparing meanings.
  • Check whether the synonym changes intensity, formality, or emotional tone.
  • Read the replacement inside the full sentence, not just beside "underline".
  • Prefer the clearest word over the most unusual word when writing for speed or comprehension.

When not to replace "underline"

Keep "underline" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.

If two options seem close, choose the one that best matches the audience and purpose of the sentence.

Replacement workflow

1. Preserve meaning

Choose a synonym only if it keeps the core idea of "underline" intact in the sentence you are editing.

2. Tune tone

Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.

3. Re-read context

Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.

Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.

Final fit check

After choosing a replacement for "underline", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.

If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "underline" or choose a simpler alternative from the closest-match group.

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

5 relation types

More general

14 entries
accentaccentuateemphasiseemphasizelinemarkpunctuatestressstroketext decorationtext formattingtypographic markweb formatting

More specific

7 entries
blue underlinedashed underlinedotted underlinedouble underlinesingle underlinesolid underlinewavy underline

Collocations

10 entries
dotted underlinedouble underlineemphasis linehyperlink underlinesolid underlineunderline important detailsunderline key termsunderline the headingunderlined textunderlining

Inflections

3 entries

Derivations

3 entries

Sample sentences

17 total sentences available.

Tatoeba + Wiktionary

Underline all the verbs in the future tense in this text.

Source: tatoeba (2629425)

I put an underline under the word "Alice" to put an emphasis on it.

Source: tatoeba (3926060)

Underline all the verbs in this text which are in the future tense.

Source: tatoeba (9139994)

We should underline every important word.

Source: tatoeba (9583769)

Showing 4 of 17 available sentences.

Common questions

What are the closest synonyms for "underline"?

Closest matches include underscore, accent, accentuate, band, bar.

How should I check whether a synonym fits "underline"?

Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.

More for "underline"