0 to choose not to be part of an activity or to stop being involved in it:
1 a situation in which some members of a group choose not to join or be involved in an activity:
Since the opt-out, the hospital has been responsible for its own budgeting.
2 to choose not to be part of an activity, arrangement, etc.:
3 a situation in which some members of a group have the right not to join or be involved in a process:
The President of the European Union added: "I think it is better to have opt-outs for one or two countries".
an opt-out from/on sth There is an opt-out for these employees from the requirement to have health coverage.
opt-out clause/provision/agreement The contract bans opt-out agreements for employees on probation.
opt-out feature/policy/process Privacy groups criticized the opt-out feature, because it appears in a pop-up window for only a few seconds before disappearing.
Allowing richer individuals to opt-out of contributions to public insurance is likely to decrease the progressivity of a given financing system.
Sometimes, it is important to recognize that the flexibility of opt-out provisions is limited by what is technologically feasible.
In some countries, however, employees are given the option to opt-out to another pension benefit provider at the time engagement.
One alternative is automatic enrollment in personal accounts with a voluntary opt-out provision.
Currently, many opt-out procedures administered by web sites and others are hopeless and cumbersome, making it nearly impossible for citizens to exert real control.
Persons who do not want samples of their tissue to be used for research will have to notify the opt-out register.
Allowing richer individuals to 'opt-out' of contributions to public insurance is likely to decrease the progressivity of a given financing system.
Other countries continue this pattern of differences between opt-out and opt-in systems.