| nugatory(adjective, unimportant, useless, trivial, minor) |
| obscure(adjective, unreasonable, vague, dubious, unlikely) |
| ostensible(imaginary, illusory, dreamlike) |
| papery(weak, slight, thin, feeble, tacky) |
| potential |
| preposterous(adjective, extraordinary, amazing, irrational, implausible) |
| psychic(heavenly, incorporeal, nonmaterial) |
| rocky(adjective, uncertain, feeble, shaky, hesitant) |
| rotten(adjective, bad, false, uncertain, feeble) |
| seeming(imaginary, illusory, dreamlike) |
| sheer(adjective, light, weak, slight, easy) |
| specious(bad, false, ill, insane, irrational) |
| strange(adjective, extraordinary, fantasy, unreal, unbelievable) |
| subtile(adjective, fine, thin, delicate, slim) |
| subtle(adjective, fine, thin, delicate, slim) |
| superficial(adjective, weak, soft, gentle, thin) |
| supposititious(fantastic, imaginary, unreal, theoretical, fictitious) |
| surreal(adjective, strange, fantasy, unreal) |
| tacky(weak, slight, thin, feeble, fragile) |
| uncertain(adjective, feeble, doubtful, hesitant, sluggish) |