| insensible(adjective, innocent, ignorant, unfamiliar, unconscious) |
| simple(adjective, foolish, innocent, susceptible, naive) |
| unmindful(adjective, innocent, ignorant, unfamiliar, unconscious) |
| unwitting(adjective, innocent, unconcerned, ignorant, unfamiliar) |
| heedless(adjective, thoughtless, unconcerned, ignorant, unconscious) |
| incognizant(adjective, unconcerned, ignorant, unconscious, heedless) |
| uncritical |
| unwarned(adjective, friendly, thoughtless, gullible, unsuspicious) |
| green(adjective, simple, innocent, susceptible, naive) |
| guileless(adjective, simple, innocent, childlike, trusting) |
| oblivious(adjective, innocent, unconcerned, ignorant, unfamiliar) |
| off guard(expression, adjective, friendly, inattentive, unprepared) |
| unenlightened(adjective, innocent, unconcerned, ignorant, unfamiliar) |
| unsophisticated(adjective, simple, foolish, innocent, green) |
| blind to(expression, adjective, innocent, unfamiliar, unconscious) |
| caught napping(expression, adjective, unconcerned, ignorant, unconscious) |
| childlike(simple, innocent, trusting) |
| deaf to(expression, adjective, unconcerned, ignorant, unconscious) |
| dependent |
| easily taken in(expression, idiom, foolish, innocent, susceptible) |