Homonym: fillers (Content)
Fillers are substances used in various industries to enhance the properties of products. In construction, for example, fillers like sand or gravel are added to concrete to improve its strength and reduce costs. In cosmetics, fillers such as hyaluronic acid are injected into the skin to reduce wrinkles and add volume.
In the context of speech, fillers are words or sounds that people use to fill pauses while thinking. Common examples include "um," "uh," and "like." These fillers can help speakers gather their thoughts but may also distract listeners if overused.