automatically

automatically — adverb

1. in a way that is performed by a machine, computer, or device on its own, with no

1.副詞B2
釋義

in a way that is performed by a machine, computer, or device on its own, with no person needing to press a button or operate the controls.

例句

The office lights switch off automatically when nobody walks past the sensor for ten minutes.

verb + automatically (machine subject)

Beatriz's car locks the doors automatically as soon as she pulls onto the highway.

verb + automatically (device action)

同義詞
  • mechanically

    stresses the machine itself, often the rigid feel of its movement

  • by itself

    more informal; common in everyday speech

反義詞
  • manually

    by hand or by a person operating controls — the direct opposite for this sense

用法筆記

Subject is usually a machine, device, software, or system, NOT a person. When the subject is a person, sense 2 (without thinking) is meant.

常見錯誤

I automatically the door' (used as a verb).
The door opens automatically.
💡'automatically' is an adverb, not a verb; it modifies how the door opens.

2. in a way that a person does something out of habit or instinct, with no real tho

2.副詞B2
釋義

in a way that a person does something out of habit or instinct, with no real thought given to the action — for example, reaching for a seatbelt or saying 'thank you' on autopilot.

例句

Mei reached for her phone automatically the moment her alarm started ringing.

person subject + verb + automatically (habit)

When the teacher walked in, the children stood up automatically and waited for the bell.

automatically + and + second action

同義詞
  • instinctively

    stresses an inborn or reflex response rather than a learned habit

  • unconsciously

    stresses lack of awareness; can sound clinical

  • without thinking

    plain everyday paraphrase; useful when 'automatically' feels too formal

反義詞

用法筆記

Distinguish from sense 1 by the subject: a person doing something on autopilot is sense 2; a machine acting on its own is sense 1. Often appears with verbs of habit or reflex (reach, stand, smile, flinch, apologise).

常見錯誤

I automatically remember her birthday every year' (suggests no thought at all is needed).
I always remember her birthday automatically
💡I never have to check the calendar.' — pair with context that shows the action feels effortless.

3. as a sure outcome that follows from a rule, system, or earlier event — meaning t

3.副詞B2
釋義

as a sure outcome that follows from a rule, system, or earlier event — meaning the result is guaranteed by how things work, not by anyone choosing it.

例句

Students who score above ninety automatically qualify for the school's honours programme.

subject + automatically + verb (rule-based outcome)

If you cancel the booking within an hour, your card is refunded automatically.

if-clause + passive automatic outcome

同義詞
反義詞

用法筆記

Often used with 'qualify, become, get, give, apply, refund' to describe rule-based or procedural outcomes. Frequently appears in negative form ('does not automatically mean...') to push back on a wrong assumption.

常見錯誤

Winning the regional round automatically you go to the final.
Winning the regional round automatically takes you to the final.
💡'automatically' modifies a verb; it cannot replace the verb itself.