• doorstep, doorway, entrance; brink, verge, beginning
• the threshold of a building or room is the floor in the doorway, or the doorway itself.
• a threshold is an amount, level, or limit on a scale. when the threshold is reached, something else happens or changes.
• if you are on the threshold of something exciting or new, you are about to experience it.
threshold of his life
• the beginning of his life, the beginning of an era of one's life
threshold of pain
• verge of suffering
high pain threshold
• ability to withstand a high level of pain
low pain threshold
• high sensitivity to pain, inability to suffer pain
• threshold of suffering; point at which it is difficult to stand pain
• threshold at which one begins to feel, place where a person has developed a sensitivity