| distress signal(expression, sign, notice, alert, hint) |
| dread(noun, feeling, apprehension, premonition, presentiment) |
| exhortation(information, sign, notice, alert, hint) |
| fear(noun, feeling, apprehension, dread, premonition) |
| flag(mark, light, sign, indication, signal) |
| fore(information, sign, notice, alert, hint) |
| foreboder |
| foreknowledge(mark, light, sign, guess, indication) |
| foresee(verb, foretell, foreshadow, portend) |
| foreshowing |
| forewarn(verb, call, indicate, sanction, predict) |
| funny feeling(noun, expression, feeling, sign, apprehension) |
| give hope(verb, expression, promise, foreshow, telegraph) |
| giveaway(mark, light, sign, indication, evidence) |
| guidance(information, sign, notice, alert, hint) |
| handwriting on the wall(noun, expression, idiom, feeling, sign) |
| handwriting on wall(noun, expression, idiom, mark, light) |
| have a hunch(verb, expression, idiom, call, indicate) |
| heads up(noun, verb, expression, information, sign) |
| hold out hope(verb, expression, idiom, promise, foreshow) |