| fear and trembling(noun, idiom, fear) |
| fill with fear(expression, idiom, scare, frighten, terrify) |
| fire bell(expression, idiom) |
| flash(noun, informal, device, warning, bell) |
| fret(noun, upset, trouble, worry, excitement) |
| give an alarm(expression, idiom, fear, indication) |
| harrow(verb, frighten) |
| hint(sign, notice, alert, caution, signal) |
| hourglass(noun, watch, instantaneity, timer, timepiece) |
| hue and cry(expression, idiom) |
| hysteria(noun, anxiety, terror, fright) |
| misgiving(noun, upset, worry, strain, distress) |
| nudge(upset, trouble, hurt, worry, harass) |
| offend(verb, surprise, astonish, astound, stun) |
| outrage(verb, upset, bother, provoke, excite) |
| overawe(verb, confuse, depress, discourage, deter) |
| phobia(noun, distress, anxiety, fear, dismay) |
| police whistle(expression, idiom) |
| put off(verb, expression, upset, bother, disturb) |
| put out(verb, expression, upset, trouble, hurt) |