safe as houses
Also found in: Wikipedia.
(as) safe as houses
Extremely secure or well protected. The phrase alludes to the idea of "home" as a safe haven or shelter. I locked your jewelry in a drawer, so it's as safe as houses. No matter what happens in coming months, your position in this company is safe as houses.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
safe as houses
Totally secure, as in If you buy Treasury bonds, your money will be safe as houses but you won't get a large return . In today's security-conscious climate, where alarm systems to deter housebreaks have become increasingly common, this simile may seem puzzling. Presumably it uses house in the sense of "a shelter from the elements." [Late 1800s]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
safe as houses
BRITISHIf something is as safe as houses, it is very safe and reliable. Both managers can count on one thing — their jobs are safe as houses. If you think building society cheques are as safe as houses, think again.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
safe as houses
thoroughly or completely safe. BritishFarlex Partner Idioms Dictionary © Farlex 2017
(as) safe as ˈhouses
(British English) very safe; not dangerous: Investing your money with us is as safe as houses.Farlex Partner Idioms Dictionary © Farlex 2017