Password and Signal

Password noun - A word or phrase that must be spoken by a person in order to pass a guard.

Signal and password are semantically related in thing topic. In some cases you can use "Signal" instead a noun "Password", when it comes to topics like word, secret word given for entry, word of identification.

Signal noun - An object intended to give public notice or warning.

Password and signal are semantically related in word topic. You can use "Password" instead a noun "Signal".

Nearby Words: signaled, signalize, signally, signalling, signaling