| safe(adjective, kindly, ignorant, naive, innocuous) |
| second-rate |
| semiskilled |
| shallow(adjective, innocent, thick, unfamiliar, unconscious) |
| shoddy |
| simplehearted(adjective, open, simple, easy, real) |
| simpleminded(adjective, unsophisticated) |
| sincere(adjective, open, simple, easy, honest) |
| soft(adjective, kindly, ignorant, naive, unknowing) |
| sophomoric(new, raw, inept, inexperienced, inexpert) |
| spontaneous(simple, easy, honest, natural, innocent) |
| spring chicken(expression, new, raw, inept, unfamiliar) |
| straightforward(adjective, open, simple, easy, honest) |
| sucking(noun, about person) |
| surprised(unqualified, vulnerable, unaware, unsuspecting, unready) |
| taken off guard(expression, idiom, unqualified, vulnerable, unaware) |
| tenderfoot(new, raw, inept, inexperienced, inexpert) |
| thick(adjective, innocent, green, unfamiliar, unconscious) |
| unaccomplished |
| unaccustomed(new, raw, inept, unfamiliar, inexperienced) |