unplanned

She stopped by his office hours later for an unplanned meeting with two of his top aides.

The warning follows a sharp unplanned rise in the number and cost of staff over the last three years, which has not been matched by growth in income from overseas student fees.

And it’s as hilariously unplanned as you’d expect from two dudes who can make a catch-up session between friends feel like a fever dream.

A study found it reduced average unplanned bed days in patients' final year of life from 38 to 18.

They are described as "unplanned, uncontrolled, and unpredictable" and people need to take the greatest care at high-risk times of year.