Synonyms of strongbox

strongbox

noun

ˈstrȯŋ-ˌbäks 

as in vault

a specially reinforced container to keep valuables safe

keeps her jewelry in a strongbox

Synonyms & Similar Words

• vault
• safe
• coffer
• box
• locker
• safe-deposit box
• trunk
• chest
• casket
• storeroom
• treasury
• lockbox
• case
• footlocker
• caddy

Example Sentences

Recent Examples of strongbox

Excusing those two flickers of broken hegemony, the WSL’s highest echelon has been an unassailable strongbox, a figment of the rest of the table’s imagination. — Megan Feringa, New York Times, 9 Feb. 2026

Buffs have been made to various maps in terms of monster density, chests, number of rare and magic monsters, essences, strongboxes, shrines and all of this is without specific Waystone or Tower modifiers. — Paul Tassi, Forbes, 16 Jan. 2025

Another artifact reflecting the sharp divides between rich and poor is an elaborate 800-pound steel strongbox that would have been used to store money—a great deal of it—in the home. — Teresa Nowakowski, Smithsonian Magazine, 20 Nov. 2023

By August 3, Bitcoin had rebounded by 15% to $23,300, raising the value of MicroStrategy’s strongbox by around $400 million. — Shawn Tully, Fortune, 3 Aug. 2022

By the time the duke and a boat containing his strongbox of memoirs and political documents were loaded, only one other boat was able to escape. — Ashley Strickland, CNN, 17 June 2022

Today the sacred strongbox largely is in the hands of the cultural Left. — John D. Hagen, National Review, 20 Aug. 2020

Police were called and found that two rings were missing from the master closet, where a strongbox had been moved and pried open. — Thomas Jewell, cleveland, 30 Jan. 2020