Open up
Open up verb - Cause to open or to become open.
Tell
Tell verb - To give an oral or written account of in some detail.
Open up and tell are semantically related in communicate topic. Sometimes you can use "Open up" instead a verb "Tell".
Mutual synonyms
Both terms in one sentence
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To try to get her to open up and tell them, everybody else starts talking about bad things they've done.
Source: Series / Roseanne - In Thousand Shinji, Rei was unable to open up to Shinji and Asuka and tell them plainly that she wished having a three-ways relationship with them.
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Tell Me About My Father: After kissing for first time Shinji and Asuka open up and argue that nobody ever talked to them about their deceased mothers, not matter how many times they asked.
Source: Fanfic / Advice and Trust
Cite this Source
Tell and Open up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/open_up/tell
Open up & Tell. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/open_up/tell>.
Tell or Open up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/open_up/tell.
Google Ngram Viewer shows how "open up" and "tell" have occurred on timeline