| susceptible(vulnerable, risky, nonresistant, gullible, unsuspicious) |
| swallowing whole(expression, nonresistant, gullible, unsuspicious) |
| taken in(expression, nonresistant, gullible, unsuspicious) |
| taking the bait(expression, idiom, nonresistant, gullible, unsuspicious) |
| touch and go(expression, idiom, susceptible, risky, nonresistant) |
| trustful(nonresistant, gullible, unsuspicious) |
| tumble for(expression, susceptible, vulnerable, risky, gullible) |
| tumbling for(expression, nonresistant, gullible, unsuspicious) |
| undecided(unsettled, incomplete, imminent, pendent) |
| unjaded(nonresistant, gullible, unsuspicious) |
| unprotected(susceptible, risky, nonresistant) |
| unskeptical(nonresistant, gullible, unsuspicious) |
| unsuspicious(nonresistant, gullible) |
| up the creek(expression, idiom, susceptible, risky, nonresistant) |
| vincible(susceptible, vulnerable, risky, nonresistant, gullible) |
| vulnerable(susceptible, risky, nonresistant, gullible, unsuspicious) |
| wide-eyed(nonresistant, gullible, unsuspicious) |
| wide open(expression, susceptible, vulnerable, risky, gullible) |
| without reserve |