on the off chance

idiom

—used to talk about something that might happen or be true but that is not likely

I called his office on the off chance that he would still be there, but he had already left.

Examples of on the off chance in a Sentence

Recent Examples on the Web

The inflation process happens with the tire placed inside a safety cage to protect mechanics on the off chance there’s a catastrophic failure. —Ryan Erik King / Jalopnik, Quartz, 26 Feb. 2024

And on the off chance there could be another special female guest at the Kelce table this year, Donna is ready for it. —Anna Lazarus Caplan, Peoplemag, 3 Nov. 2023

There’s also the option to add a wood or acrylic display stand on the off chance that your recipient loves their gift too much to actually play with it. —Jessica MacDonald, Travel + Leisure, 11 Oct. 2023

And on the off chance that South Bend hosts a shootout that week, the Buckeyes must be prepared. —Jimmy Watkins, cleveland, 2 Sep. 2023