66 entries under expression topic. ×

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be friends(idiom, friendship)
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be sociable(idiom, sociality)
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bear good will(idiom, friendship)
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bear one company(idiom, sociality)
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become friendly(idiom, friendship)
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behind the curtain(idiom, knowledge)
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behind the scenes(idiom, knowledge)
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break the lee(idiom, friendship)
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clued in(adjective, familiar, conversant)
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ear to the ground(idiom, perceptive, observant, insightful)
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get into favor(idiom, friendship)
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in the secret(idiom, knowledge)
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in to(familiar, wise, knowledgeable, informed)
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in touch(adverb, informed, up-to-date, abreast)
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know well
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learn by heart(idiom, learning)
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learn by rote(idiom, learning)
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make advances(idiom, sociality)
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make friends(idiom, friendship)
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on the ball(idiom, familiar, aware, informed)
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APASmart Define. (2015). acquainted thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/acquainted/thesaurus/synonyms
ChicagoSmart Define. 2015. "acquainted thesaurus" https://smartdefine.org/acquainted/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, acquainted thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/acquainted/thesaurus/synonyms>.
MLASmart Define. "acquainted thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/acquainted/thesaurus/synonyms>