Whenever you leave your home, walk from one room to another, or enter a building, you are crossing a threshold—that is, the horizontal floor piece that you cross over whenever you move through a …

THRESHOLD definition: 1. the floor of an entrance to a building or room 2. the level or point at which you start to…. Learn more.

THRESHOLD definition: the sill of a doorway. See examples of threshold used in a sentence.

Definition of threshold noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A threshold is an amount, level, or limit on a scale. When the threshold is reached, something else happens or changes.

A worn-out wooden threshold A threshold is the sill of a door. Some cultures attach special symbolism to a threshold. It is called a door saddle in New England. [citation needed] Door thresholds cover the …

any point of beginning: He was on the threshold of a new career. Physiology, Psychology the point at which something begins to take effect: Her dream was hovering on the threshold of consciousness.

Also called limen. the point at which a stimulus is of sufficient intensity to begin to produce an effect: the threshold of consciousness; a low threshold of pain.

Dec 14, 2025 · threshold (plural thresholds) The lowermost part of a doorway that one crosses to enter; a sill. synonyms Synonyms: doorsill, doorstep (by extension) An entrance; the door or gate of a …

There are 11 meanings listed in OED's entry for the noun threshold, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.