1. Failure to fulfill an obligation: This is the most common meaning. It refers to failing to meet a commitment or requirement, like:
* Defaulting on a loan: Failing to make payments on a loan as agreed.
* Defaulting on a contract: Failing to fulfill the terms of a contract.
* Defaulting on a payment: Failing to pay a bill or other financial obligation on time.
2. Standard setting: This refers to a pre-set option or value that is used when no other choice is specified.
* Default browser: The browser that automatically opens when you click a web link.
* Default settings: The pre-configured options for a program or device.
* Default language: The language that a program or device uses by default.
3. Pre-defined behaviour: This refers to the pre-programmed action or behavior that a program or device takes in the absence of user input.
* Default response: The automatic reply that a system gives to a query or request.
* Default action: The action that a system takes when no other action is specified.
4. To choose a default option: This refers to the act of selecting the pre-set option or value.
* You can default to the suggested settings.
* If you don't choose a specific option, it will default to the standard setting.
The meaning of "default" will be clear from the context in which it is used.
Let me know if you have a specific example in mind, and I can explain the meaning in that context!