Synonyms in Detail: underlining and highlighting Usage & Differences

What context can I use each word in?

Learn when and how to use these words with these examples!

underlining

Example

I always underline the main points in my notes. [underline: verb]

Example

The teacher underlined the mistakes in red ink. [underlined: past tense]

highlighting

Example

I like to highlight important information in yellow. [highlight: verb]

Example

The editor highlighted the changes in green. [highlighted: past tense]

Good things to know

Which word is more common?

Highlighting is more commonly used than underlining in digital documents and on-screen reading. However, underlining is still commonly used in academic and formal writing.

What’s the difference in the tone of formality between underlining and highlighting?

Underlining is typically associated with a more formal tone, while highlighting is more versatile and can be used in both formal and informal contexts.

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