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sufficient reason

British  

noun

  1. the principle that nothing happens by pure chance, but that an explanation must always be available

  2. the view that such an explanation is a reason for God to have chosen one alternative rather than another

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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The ACM said it had also received reports of these allegations and "considers this sufficient reason to launch a formal investigation into possible violations of the rules by Roblox."

From Barron's • Jan. 30, 2026

In his ruling, Judge Reed O'Connor said he "disagreed" that dropping the charge was in the public interest but said his concerns did not give him sufficient reason to deny the proposal.

From BBC • Nov. 6, 2025

But it’s hard to sustain interest when a drama hasn’t given us sufficient reason to care about the characters.

From Los Angeles Times • Sep. 30, 2024

If you interpret a Level 2 warning as sufficient reason to cancel your trip, there’s no shame in making a choice that eases your mind.

From Seattle Times • Jan. 30, 2024

The measure of his past triumphs was sufficient reason in itself to act differently; only a genius of his stature could play like a ten-year-old boy and still get the right answer.

From "Double Helix" by James D. Watson