adverb

automatically

automatically, instinctively

The lights turn on automatically.

The lights turn on automatically.

I automatically reached for the brake.

I automatically reached for the brake.

((verb)) ((automatically)) The door opens automatically.

Synonyms: mechanically, instinctively; Antonyms: manually, consciously

From 'automatic' + the adverb-forming suffix '-ly'. It means 'in an automatic way'.

The '-ly' ending often signals an adverb, describing *how* an action is done. It means done in an 'automatic' way.

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