Is automatic the same as mechanical?

Not exactly. Automatic means working by itself. Mechanical often means machine-like or lacking feeling.

Can automatic describe a person’s behavior?

Yes. It can mean done without thinking, like an automatic reply or automatic habit.

Is automatic a formal word?

It is common in both speaking and writing. It fits well in business, science, and everyday English.

← Dictionary

automatic

/ˌɔː.təˈmæt.ɪk/

IELTSAcademic

adjective

Working by itself, or happening without a person controlling it. It can also mean done as a habit, without thinking much.

The doors open automatically.
She gave an automatic reply.
His apology sounded automatic.

Adinary Nuance

Automatic is often close to mechanical, instinctive, and habitual, but it is broader. Use automatic for something that happens by itself, or for a response that feels unthinking. Mechanical suggests a machine-like quality, while instinctive suggests a natural reflex. Habitual is about repeated behavior, not self-working action.

In other languages

Vietnamese: tự động
Spanish: automático
Chinese: 自动的
Japanese: 自動の
Korean: 자동의

Etymology

Automatic comes from Greek automatos, meaning “self-acting.” It entered English in the 17th century, first for things that move by themselves.

Common phrases

automatic replyautomatic responseautomatic transmissionautomatic approval

Synonyms

self-acting autonomic unconscious

Frequently asked questions

Is automatic the same as mechanical?: Not exactly. Automatic means working by itself. Mechanical often means machine-like or lacking feeling.
Can automatic describe a person’s behavior?: Yes. It can mean done without thinking, like an automatic reply or automatic habit.
Is automatic a formal word?: It is common in both speaking and writing. It fits well in business, science, and everyday English.