1. the bottom part of a doorway; the entrance or beginning point
2. the point at which something begins or changes; a limit or boundary

Examples

• She stepped across the threshold into the house.
• The wooden thresholds were worn smooth by years of foot traffic.
• We are on the threshold of a new era in technology.
• The pain threshold varies from person to person.
• Income must exceed certain thresholds to qualify for the program.
• The company lowered its hiring thresholds to attract more candidates.
• These test scores represent the minimum thresholds for admission.