unorganized russian

• дика́рь

  savage, barbarian, primitive person

  loner, unsociable person, recluse

  independent traveller, person on an unorganized holiday

• стихи́йный

  elemental, natural (of nature's forces)

  spontaneous, unorganized, uncontrolled

• неорганизо́ванный

  unorganized, disorganized

Examples

• Вас не напряга́ют рассе́янные ле́кторы?

  Don't you just hate unorganized lecturers?

• Дети действовали совсем неорганизованно во время игры

  The children acted in a completely unorganized way during the game.