regla inflexible

f.

rigid rule, hard and fast rule.

* * *

(n.) = hard and fast rule, ironclad rule, steadfast rule

Ex. As in most other aspects of UDC, there is no hard and fast rule which can be relied upon to predict the occurrence of special auxiliaries.

Ex. Enslaved by public opinion and the ironclad rules that govern theatrical practice, she must forfeit something to survive.

Ex. This shows that, in the absence of a steadfast rule on covering the misbehavior of journalists, newspapers inevitably make decisions relative to their own organizational interests.

* * *

(n.) = hard and fast rule, ironclad rule, steadfast rule

Ex: As in most other aspects of UDC, there is no hard and fast rule which can be relied upon to predict the occurrence of special auxiliaries.

Ex: Enslaved by public opinion and the ironclad rules that govern theatrical practice, she must forfeit something to survive.

Ex: This shows that, in the absence of a steadfast rule on covering the misbehavior of journalists, newspapers inevitably make decisions relative to their own organizational interests.