default

default — noun

1. a preset value or selection that a machine, computer, or system uses when a pers

1.名詞B2
釋義

a preset value or selection that a machine, computer, or system uses when a person does not choose a different one; the thing that happens automatically if no other action is taken.

例句

Sirin changed the printer's default from colour to black-and-white to save ink.

possessive noun + default as countable noun

The default on this phone is to lock the screen after thirty seconds of inactivity.

同義詞
  • preset

    less common in everyday speech; more technical

  • standard

    broader — can refer to any usual quality level, not just an automatic choice

反義詞
  • custom setting

    a setting chosen by the user rather than the pre-programmed one

文法句型

the default + noun

by default

用法筆記

Very common in computing contexts. When used in the plural (defaults), it often refers to the original factory settings of a device.

常見錯誤

I changed the defect settings.
I changed the default settings.
💡default (automatic choice) and defect (fault/flaw) sound similar but have very different meanings.

2. a situation in which a person, company, or country fails to meet a legal or fina

2.名詞B2
釋義

a situation in which a person, company, or country fails to meet a legal or financial duty, especially not repaying borrowed money when it is due.

例句

The company was in default on its loan payments for over six months.

in default on + noun phrase

Christopher faced a lawsuit after the mortgage default on his apartment.

同義詞
  • non-payment

    more specific — focuses only on the failure to pay, not other legal duties

  • delinquency

    formal term, especially US finance, for being late on payments

反義詞
  • repayment

    the act of paying back borrowed money

  • fulfillment

    meeting the terms of a contract or agreement

文法句型

in default

default on + noun (debt/loan/mortgage)

be in default

用法筆記

Commonly appears in financial and legal contexts. The most frequent pattern is default on a loan/mortgage/debt, or the phrase in default. A person or institution that defaults is called a defaulter.

常見錯誤

He made a default on his credit card bill.
He defaulted on his credit card bill.
💡as a noun, default is usually used in set phrases (in default, risk of default) rather than with make.

3. the original or built-in condition of a device or system as it comes from the fa

3.名詞B2
釋義

the original or built-in condition of a device or system as it comes from the factory or when first installed, which stays unchanged unless a person chooses to modify it.

例句

The default position of the control lever is upright, which stops the motor.

default position + explanation via relative clause

Eri prefers to read with the default font size rather than changing the display.

同義詞
  • initial

    focuses on the starting point rather than the automatic quality

  • standard

    can be used in similar patterns but suggests a norm rather than an automatic fallback

反義詞
  • custom

    something tailored by the user

  • manual

    requiring human action to set

文法句型

default + noun (setting/position/mode/option)

用法筆記

Always placed before the noun it modifies (default setting, default mode, default behaviour). This attributive use is very productive — you can combine default with almost any noun that describes a configurable state.

4. a result in which a competitor wins or loses because the opponent did not take p

4.名詞B2
釋義

a result in which a competitor wins or loses because the opponent did not take part in the match, did not finish it, or was removed for breaking the rules.

例句

Chidi won the chess tournament by default when his final opponent did not arrive.

by default as adverbial phrase

The tennis match ended by default after a player twisted her ankle.

同義詞
  • forfeit

    can be both a noun and verb; slightly more formal

  • walkover

    informal, especially British English, for an easy win

反義詞

文法句型

by default

win/lose by default

用法筆記

Almost always appears in the fixed phrase by default. You can win or lose by default. Outside sports, by default also has a general meaning: 'because nothing else was chosen or happened' (e.g., He became the leader by default when everyone else quit.)

常見錯誤

He defaulted the match by not showing up.' (for the noun sense)
He lost the match by default when he did not show up.
💡the noun sense takes the phrase by default, not default as a verb.

default — verb