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bright line

bright line

5 6.3
A clear, simple rule or limit used to make decisions, often in law
  • noun
  • Jargon
translation icon : línea clara
  • The committee established a bright line to clearly define acceptable behavior in the workplace.
  • bright line rule
  • bright line test

There should be a bright line between those two roles.

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Examples

  • Until somebody comes down with a bright line, people tend to keep pushing, and pushing, and pushing.

    Academic text (2017)
  • Where the challenged governmental conduct involves law enforcement, the bright-line rule follows nicely from the underlying principles.

    Academic text (2017)
  • There should be a bright line between those two roles.

  • So I draw a bright line on the word "rape."

  • But since they're not, the bright line approach is better.

  • So we actually do have hard bright line rules in situations where failure is catastrophic.

  • One, either the bare recitation of the facts or a bright line legal rule.

  • The solution, however, is not necessarily the present bright-line rule requiring physical injury or property damage.

    Academic text (1990)
  • Moving forward, states are likely to continue to expand sales tax nexus within the bright-line physical presence rule.

    Academic text (2017)
  • In both of these cases, the interaction of the bright line rule with other doctrines leads to unsatisfactory results.

    Academic text (2017)

Synonyms

bright-line rule
vsbright line
  • Jargon
1 7.8

A clear rule that tells people exactly what to do

has identical meaning but is the hyphenated term used for rules

Antonyms

230 4.6

Not clear or detailed so you are unsure what is meant

How Clear

clear-cut
27 4.2
bright line
  • Jargon
5 6.3
gray area
  • Informal
35 5.3

Surface Forms

bright line singular
bright lines plural

Morphology

bright + line

The sense 'a clear and definite distinction' is directly derivable from combining 'bright' (metaphorically 'clear' or 'obvious') with 'line' (a boundary or distinction). This adjective+noun composition and the metaphor of light indicating clarity is common cross-linguistically, so a B1 learner who knows both words would likely infer the intended meaning.

Etymology

The noun bright line gives the simple image of a very clear, bright line drawn between two sides to separate them. That's why people use bright line to mean 'a clear and definite rule' that helps make decisions.