adjective firmly established and not easily changed
adverb in a strict or inflexible manner
In science, 'hard and fast' can refer to established facts or principles that are not subject to change.
In legal contexts, 'hard and fast' refers to strict rules or guidelines that must be followed without exception.
In technology, 'hard and fast' can describe fixed parameters or limitations that cannot be altered.
In business, 'hard and fast' can describe firm policies or deadlines that must be adhered to.
In sports, 'hard and fast' can refer to specific rules or regulations that are non-negotiable.
In the writing world, 'hard and fast' is often used to describe strict rules or guidelines that must be followed when it comes to grammar, style, or deadlines.
Psychologists may use 'hard and fast' to refer to certain rules or principles that are universally accepted within the field, such as ethical guidelines or diagnostic criteria.
Project managers may use 'hard and fast' to describe strict deadlines, budgets, or project requirements that must be adhered to in order to ensure successful completion of a project.
Lawyers may use 'hard and fast' to refer to specific legal rules or precedents that must be followed in order to argue a case successfully in court.
Engineers may use 'hard and fast' to describe strict design specifications or safety regulations that must be met in order to ensure the proper functioning of a product or structure.