threshold
This word evokes the tension of a precise boundary. It is not just a line, but a point of transition where a small change in state leads to a significant shift in result. It carries a sense of anticipation, whether it is the physical act of entering a room or the psychological wait for a trigger to fire.
In technical or medical contexts, it suggests a binary switch—either the stimulus is below the threshold and nothing happens, or it crosses the threshold and a reaction is triggered. This makes it distinct from words like limit or boundary, which often describe a perimeter rather than a trigger point.
Countable when referring to a physical door frame or a specific measured limit. Uncountable when discussing the general concept of a tipping point in a system.
💬Casual Conversation
KAREN THE FRONT DOOR THRESHOLD IS ROTTING. FIX IT.
KAREN THE FRONT DOOR THRESHOLD IS ROTTING. FIX IT.
I'm totally swamped with the gala, Eleanor. Just let it go.
I'm totally swamped with the gala, Eleanor. Just let it go.
Meanings
Examples
Collocations & Compounds
cross the threshold
Verb collocation: to enter a building or room by stepping over the doorway
low threshold
Noun collocation: a small amount of something required to trigger a response or action
sensory threshold
Noun collocation: the minimum level of stimulus that can be detected by the senses
tax threshold
Noun collocation: the income level below which a person does not have to pay a particular tax
Etymology
Derived from Old English therscold, from therscan (to thresh) + wold (wood, plank). Originally, it referred to the wooden beam or plank at the entrance of a house, which was often made from the same type of heavy timber used for threshing grain. Over time, the meaning expanded metaphorically from a physical entrance to a psychological or physiological limit, and finally to the brink of a new era or state.