| sensile(susceptible, vulnerable, risky, nonresistant, gullible) |
| sensitive(adjective, weak, tender, ready, susceptible) |
| sitting duck(expression, adjective, weak, tender, ready) |
| smart alecky(expression, adjective, susceptible, risky, nonresistant) |
| sucker(adjective, weak, tender, ready, sensitive) |
| swallowing whole(expression, nonresistant, gullible, unsuspicious) |
| taken in(expression, nonresistant, gullible, unsuspicious) |
| taking the bait(expression, idiom, nonresistant, gullible, unsuspicious) |
| tender(adjective, weak, ready, sensitive, susceptible) |
| thin-skinned(adjective, weak, tender, ready, sensitive) |
| touch and go(expression, idiom, susceptible, risky, nonresistant) |
| trouble(noun, risk, danger) |
| trustful(nonresistant, gullible, unsuspicious) |
| tumbling for(expression, nonresistant, gullible, unsuspicious) |
| unjaded(nonresistant, gullible, unsuspicious) |
| unsafe(adjective, weak, tender, ready, sensitive) |
| unskeptical(nonresistant, gullible, unsuspicious) |
| unsuspicious(nonresistant, gullible) |
| venture(noun, trouble, risk, danger) |
| veracious(adjective, true) |