At the dinner, they entertained themselves with cross-purposes, inventing questions and answers that combined absurdly unrelated ideas.

The committee members worked at cross-purposes, undermining the project's progress.

The company designed a multi-purpose drone that can survey land, deliver packages, and provide emergency communication.

A cross-purpose between the teams caused the project to stall.

In my linguistics class, we analyzed several datives of purpose to understand how indirect objects express intended outcomes.

Trying to save money by buying cheap shoes will defeat the purpose if they fall apart after a week.

The research team moved into a purpose-built laboratory to conduct long-term experiments on renewable energy.

The board reviewed the company's purpose statements before finalizing the strategic plan.

The shelter's compact, no-frills design made it look purpose-like, as if every beam and stone were arranged to withstand the harsh Highland weather.

She spilled her coffee accidentally-on-purpose to get his attention.