WARNING SIGNAL Synonyms

• engaged in or accustomed to close observation

• condition of heightened watchfulness or preparation for action

• a warning serves to make you more alert to danger

• an automatic signal (usually a sound) warning of danger

• quick and energetic

• mentally perceptive and responsive

• warn or arouse to a sense of danger or call to a state of preparedness

• the trait of being cautious; being attentive to possible danger

• a warning against certain acts

• judiciousness in avoiding harm or danger

• the trait of being circumspect and prudent

• warn strongly; put on guard

• a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time

• a signal for attracting attention

• a device for showing the operating condition of some system

• (chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction

• a perceptible indication of something not immediately apparent (as a visible clue that something has happened)

• a public display of a message

• any nonverbal action or gesture that encodes a message

• structure displaying a board on which advertisements can be posted

• (astrology) one of 12 equal areas into which the zodiac is divided

• (medicine) any objective evidence of the presence of a disorder or disease

• having an indicated pole (as the distinction between positive and negative electric charges)

• an event that is experienced as indicating important things to come

• a gesture that is part of a sign language

• a fundamental linguistic unit linking a signifier to that which is signified

• a character indicating a relation between quantities

• used of the language of the deaf

• mark with one's signature; write one's name (on)

• approve and express assent, responsibility, or obligation

• be engaged by a written agreement

• engage by written agreement

• communicate silently and non-verbally by signals or signs

• place signs, as along a road

• communicate in sign language

• make the sign of the cross over someone in order to call on God for protection; consecrate

• any nonverbal action or gesture that encodes a message

• any incitement to action

• an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes

• notably out of the ordinary

• communicate silently and non-verbally by signals or signs

• be a signal for or a symptom of

• inside information that something is going to happen

• the act of starting a basketball game with a jump ball

• a flag that serves as a warning signal

• the emblem of socialist revolution

• something that irritates or demands immediate action

• an automatic signal (usually a sound) warning of danger