English Reference
noun · verb · adjective

default

n. · v. · adj.
US /dɪˈfɔɫt/ UK /dɪfˈɒlt/ de·fault UK spelling defaulted, defaulting, defaults

  1. 01 B2 Upper Intermediate Computing

    n.the way a computer or program is set up to work if you do not change anything yourself.

    n.a preselected option or setting adopted by a computer program or other mechanism when no alternative is specified by the user.

    Simple

    The default font for this word processor is Calibri, but I prefer Arial.

    In context

    If the user fails to specify a destination folder, the application will save all exported files to the default directory automatically.

    standardpresetfactory setting
  2. 02 C1 Advanced Formal Finance

    n.the failure to pay back a loan or do what you legally agreed to do.

    n.the failure to fulfill a legal or financial obligation, such as repaying a loan or appearing in a court of law.

    Simple

    The company is in default because they missed three months of loan payments.

    In context

    The sovereign default sent shockwaves through the international markets, leading to a sharp increase in borrowing costs for neighboring economies.

    non paymentfailuredelinquency
  3. 03 C1 Advanced Formal Finance

    v.to fail to pay a debt or fulfill an agreement.

    v.to fail to satisfy a debt or meet the terms of a contract. Intransitive, often taking the preposition 'on'.

    Simple

    If you default on your mortgage, the bank might take your house.

    In context

    Small businesses are more likely to default on their credit lines during a sudden economic downturn when cash flow becomes unpredictable.

    Usage

    Usually used with the preposition 'on' followed by the obligation.

  4. 04 B2 Upper Intermediate Computing

    v.to automatically go back to a standard setting.

    v.to revert automatically to a preselected option or setting when no other instruction is given.

    Simple

    The screen brightness will default to fifty percent when the battery is low.

    In context

    The system is programmed to default to the secure server if the primary connection is interrupted for more than ten seconds.

    Usage

    Often takes the preposition 'to'.

  5. 05 B2 Upper Intermediate

    adj.used to describe something that happens or is chosen automatically.

    adj.functioning as the preset or automatic selection in the absence of a specific alternative.

    Simple

    Checking your phone has become the default behavior for people waiting in line.

    In context

    In many modern offices, the default assumption is that meetings will be held virtually unless a physical room is specifically requested.

Twitch's chief product officer Mike Minton, said it was "respecting" users by letting them opt out but on why data was collected by default, he admitted: "If it's opt-in, nobody would opt-in.

BBC News· 13 Aug 2026

It means that from September AI-generated artists such as the Velvet Sundown will carry the persona label and will be blocked from personalised recommendations by default.

The Guardian· 11 Aug 2026

From Middle English defaut, defaute, from Old French defaute (“fault, defect, failure, culpability, lack”), ultimately from Latin de- (“away”) + fallo (“deceive, cheat, escape notice of”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin de-
Level C1 · Advanced
Frequency Common
Updated