Смотреть больше слов в «Морфемном разборе слова по составу»
unobstructed movement
• The absence of any physical barriers ensured an unobstructed view of the working area.
безперешкодне пересування.
unchecked advance
unimpeded progress
• These sections of the dam may be lowered to permit unobstructed passage of boats and barges.
straightforward discharge of chips