or else

1. Otherwise, in different circumstances, as in Present your case now, or else you won't have a chance . [c. 1300]

2. Regardless of any extenuating circumstances, no matter what, as in Be there on time or else! [Second half of 1800s]

Example Sentences

Ms Ribera also warned the tech giant it had 60 days to detail how it would change its practices, or else the Commission would look to impose its own solution.

From BBC

"There is a fear that we need to keep up the hype, or else the bubble might burst, and so it might be that it's mostly marketing."

From BBC

He spent more than an hour reading aloud a scathing 36-page ruling, ordering the district attorney’s office to “vigorously and effectively resume” the prosecution, or else he’d give it to the attorney general’s office.

From Los Angeles Times

“You had to pick which side of the contradiction to embrace, or else record the whole unholy snarl itself.”

From Los Angeles Times

So, "behave - or else", is the message to the rest of the backbenches, just when they are about to leave Westminster.

From BBC