brightline
nounUK /ˈbraɪtlaɪn/
US /ˈbraɪtlaɪn/
A bright line is a clear rule that tells you exactly what you can and cannot do.
The teacher drew a brightline between playing and working so everyone knew the rules.
SYNONYMS
RELATED WORDS
OTHER MEANINGS
2. A very clear and easy-to-see line, such as a painted stripe on a road.
The brightline on the road showed drivers where the lanes were.
3. In law, a rule that is simple and exact, leaving no room for doubt.
The judge used a brightline test to decide the case quickly.
4. A line that stands out because it is bright or shining.
A brightline of sunlight came through the window.