United StatesUnited Kingdom (commonly called "amber")globalneutraltechnical
- The traffic signal color between green and red that indicates caution; drivers should prepare to stop if it is safe to do so.
- A signal on a traffic control device advising that the right-of-way is about to change and that motorists should proceed with care.
generalinformalfigurative
- A figurative signal or indication that warns of caution, hesitation, or the need to proceed carefully rather than full approval or outright prohibition.
- A tentative or conditional authorization that implies restrictions or the need for prudence.
generalneutraldescriptive
- Any source or quality of light that is yellow in hue, used literally to describe lighting conditions or coloration.