viscous russian

• вя́зкий

  viscous (adj)

• тягу́чий

  viscous, viscid, syrupy, malleable, ductile, slow, leisured, leisurely

• вя́знущий

  sticking, bogging down, getting stuck, sinking (into something soft or viscous)

• нама́завшийся

  smeared, covered (with something viscous)