Synonyms to signal post

alarm, Angelus, Angelus bell, Roman candle, abject fear, admonishment, admonition, affright, aid to navigation, alarum, alert, amaze, amber light, anxiety, apprehension, arouse, astonish, awe, balefire, battle cry, beacon, beacon fire, bell, bell buoy, birdcall, blinker, blue funk, blue peter, bugle call, buoy, call, caution, caution light, caveat, cold feet, consternation, cowardice, cry havoc, cry wolf, curdle the blood, daunt, deterrent example, discomfort, dismay, disquiet, distress, disturb, dread, example, excitement, fear, final notice, final warning, flare, fly storm warnings, fog bell, fog signal, fog whistle, foghorn, forewarning, fright, frighten, funk, glance, go light, gong, gong buoy, green light, heliograph, high sign, hint, horn, horrification, horripilate, horror, international alphabet flag, international numeral pennant, kick, last post, leer, lesson, make one tremble, marker beacon, monition, moose call, moral, nervousness, nod, notice, notification, nudge, object lesson, panic, panic fear, parachute flare, phobia, pilot flag, poke, police whistle, prenotice, quarantine flag, radio beacon