What is ""Υπογραμμίζω"" in American English and how to say it?

Greek

Υπογραμμίζω

Υπογραμμίζω-I highlight.svg
American English

I highlight

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Example sentences

American EnglishHe's the bookworm in the family.

""Υπογραμμίζω"" in 45 More Languages.