| born yesterday(adjective, new) |
| impressionable(adjective, person, easy, feelings, ready) |
| inexperienced(adjective, simple, silly, stupid, innocent) |
| soft(adjective, calm, light, easy, informal) |
| stupid(adjective, dull, simple, slow, silly) |
| easily taken in(expression, adjective, idiom, innocent, susceptible) |
| trusting(adjective, calm, person, light, simple) |
| immature |
| persuadable(adjective, person, easy, feelings, ready) |
| childlike(adjective, simple, innocent, ignorant, naive) |
| confiding(simple, fresh, innocent, ignorant, childlike) |
| ignorant(adjective, simple, silly, stupid, innocent) |
| mark(adjective, easy, informal, ready, subject) |
| sensitive(adjective, easy, ready, subject, affected) |
| simple-minded(adjective, simple, silly, stupid, fresh) |
| suggestible(adjective, person, easy, feelings, ready) |
| uncritical |
| callow(adjective, simple, fresh, raw, innocent) |
| easy mark(expression, adjective, innocent, green, susceptible) |
| guileless(adjective, simple, innocent, ignorant, naive) |