dependablesignal
nounUK /dɪˈpendəbəl ˈsɪɡnəl/
US /dɪˈpendəbəl ˈsɪɡnəl/
A dependable signal is a sign you can trust to always work.
The green light is a dependable signal that it is safe to cross the street.
OTHER MEANINGS
2. A steady electronic pulse used to keep machines working together.
The radio tower sends a dependable signal to every receiver in town.
3. A person or thing that always shows up when needed.
Her morning call was a dependable signal that everything was fine.
4. A clear hint that something will happen.
Dark clouds are a dependable signal of coming rain.