Method: Easy moist poached chicken breasts. 1  1 boneless chicken breast, cut in half. 2  Water. 3  2 tsp. salt.  Sake or 1  sherry. A piece of fresh ginger.
Barriers are walls, either physical or metaphorical. They can block movement â the Great Wall of China was a barrier to block invading forces from entering. A window shade is a light barrier. Failing English is a barrier to getting into Harvard. When people are being excluded from joining a clique, you could say that the clique has erected a social barrier. When fighter jets fly faster than the speed of sound, they break through what feels like a wall in the sky called the sound barrier.
something that obstructs or hinders progress. Obstacle, obstruction, hindrance, impediment refer to something that interferes with or prevents action or progress. An obstacle is something, material or nonmaterial, that stands in the way of literal or figurative progress: Lack of imagination is an obstacle to one's advancement. An obstruction is something that more or less completely blocks a passage: A blood clot is an obstruction to the circulation.