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An expression of relief. Thank God you're all OK. We were so worried. Oh, thank God—I thought I'd lost this precious heirloom!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
Also, thank goodness or heaven . I'm grateful, as in Thank God you arrived safely, or We didn't, thank goodness, run out of food, or Thank heaven the book arrived on time. These ejaculations originally expressed gratitude to divine providence but today tend to be used in a more casual way. [c. 1200]
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.
thank ˈgoodness/ˈheaven(s)!used as an expression of relief: Thank God you’ve arrived. I was so worried.(Some people find the phrase thank God offensive.)
See also: thank
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