strong·​box | \ˈstrȯŋ-ˌbäks \

Definition of strongbox 

: a strongly made chest or case for money or valuables

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Synonyms for strongbox


coffer, safe, safe-deposit box

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Examples of strongbox in a Sentence

keeps her jewelry in a strongbox

Recent Examples on the Web

An audit was carried out and discovered Bisher was writing checks to herself from the company’s strongbox. Kathleen Joyce, Fox News, "Woman facing life in prison for $1.2M embezzlement kills herself in front of Walmart," 5 May 2018 In Aldrich’s film, the quest is for a strongbox containing plutonium that emits a blinding white light when opened and ultimately unleashes a nuclear holocaust that concludes the movie. Jonathan Rosenbaum, Slate Magazine, "How Paranoia Infiltrated the Movies," 24 May 2017 Jewelry, coins, wall paintings, sculptures, and other everyday items, as well as an ornate gilded strongbox, reveal the dramatic class distinctions of citizens in the ancient world. Robert Lerose, The Christian Science Monitor, "Ancient class distinctions displayed in Rome exhibit," 9 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'strongbox.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of strongbox

1684, in the meaning defined above

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Time Traveler for strongbox

The first known use of strongbox was in 1684

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English Language Learners Definition of strongbox

: a box that is usually made of metal, that can be locked, and that is used to keep money or valuable things

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More from Merriam-Webster on strongbox

See words that rhyme with strongbox

Thesaurus: All synonyms and antonyms for strongbox

Spanish Central: Translation of strongbox

Comments on strongbox

What made you want to look up strongbox? Please tell us where you read or heard it (including the quote, if possible).


to express warning or disapproval

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