| immature(adjective, simple, slight, natural, deficient) |
| underdeveloped(adjective, dull, weak, simple, slow) |
| rudimentary(adjective, simple, coarse, natural, straightforward) |
| unfinished(adjective, simple, natural, deficient, inexperienced) |
| backward(adjective, slow, immature, precede) |
| embryonic(adjective, slight, limited, insufficient, indefinite) |
| incipient(adjective, young, immature, latent, unripe) |
| crude(adjective, simple, natural, bare, deficient) |
| incomplete(adjective, bare, deficient, inexact, wanting) |
| latent(adjective, hidden, immature, dormant, latent) |
| primitive(adjective, simple, natural, original, crude) |
| young(adjective, slight, limited, insufficient, inexperienced) |
| green(adjective, simple, natural, inexperienced, unrefined) |
| imperfect(adjective, bare, deficient, inexperienced, incomplete) |
| potential(adjective, promising, immature, latent) |
| premature(adjective, first, inexperienced, primary, young) |
| unformed(adjective, simple, natural, inexperienced, indefinite) |
| inexperienced(adjective, inexpert, young, immature, untrained) |
| raw(adjective, simple, natural, bare, inexperienced) |
| rough |