Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
signal | Yes | Yes | Yes | No |
alert | Yes | Yes | Yes | No |
signal (noun) | alert (noun) |
---|---|
any nonverbal action or gesture that encodes a message | a warning serves to make you more alert to danger |
any incitement to action | an automatic signal (usually a sound) warning of danger |
an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes | condition of heightened watchfulness or preparation for action |
signal (adjective) | alert (adjective) |
---|---|
notably out of the ordinary | engaged in or accustomed to close observation |
mentally perceptive and responsive | |
quick and energetic |
signal (verb) | alert (verb) |
---|---|
communicate silently and non-verbally by signals or signs | warn or arouse to a sense of danger or call to a state of preparedness |
be a signal for or a symptom of |