insufficiently russian

• недоста́точно

  it is insufficient, it is not enough, insufficiently

• малоавторите́тный

  insufficiently authoritative

• малоизу́ченный

  insufficiently known explored

• непроду́манный

  insufficiently considered, unreasoned

• недобираемый

  uncollected, undercollected, insufficiently collected, short of requirement

• недоде́ржанный

  under-aged, not kept long enough, insufficiently held

• недодержа́вший

  under-kept, insufficiently matured, under-exposed

• недополучаемый

  under-received, insufficiently received, not fully received