Synonyms for «high alert»

low strong significant huge heightened great big increased extreme little important heavy early serious urgent rising much good red severe potential dangerous loud safety active clear health emergency sharp spot special close possible critical full acute public immediate constant medical extra quick careful rapid considerable heat intense proper imminent

alarm warning attention danger caution awareness flag risk lookout threat notification notice call look attack indicator hazard reminder security signal signs level alertness vigilance activity concern note message sense activation precaution system action panic priority watch lot light eye announcement guard outbreak scare exposure worry detection label deal area