by design

Definitions

Done or created intentionally rather than by accident.

Planned or structured in a specific way to achieve a particular outcome.

Examples

The software's lack of a delete button is by design to prevent accidental data loss.

The building's open floor plan was by design, intended to foster collaboration among the employees.

Synonyms

intentionally deliberately on purpose purposely planned calculated premeditated

Antonyms

accidentally unintentionally by chance inadvertently unplanned fortuitously randomly