automatically

Definitions

In a manner that occurs spontaneously or without conscious thought or intention.

By the action of a machine or device that operates independently of human control.

Examples

The streetlights turn on automatically when it gets dark outside.

The software updates itself automatically whenever a new version is released.

Synonyms

mechanically instinctively spontaneously involuntarily unconsciously reflexively robotically

Antonyms

deliberately intentionally consciously voluntarily manually purposefully willfully