The phrase "standing on end" is an idiomatic expression used to describe an object or group of objects that are positioned or arranged in a manner where they are upright, vertical, or perpendicular to their usual or expected orientation. It refers to a state in which these objects, typically hair, feathers, bristles, or other similar structures, are in an erect, raised, or bristling position, often due to an intense physical or emotional reaction.
This phrase is commonly employed to depict a sense of alarm, fear, excitement, surprise, or astonishment, as it signifies an acute physiological or psychological response. For instance, when someone experiences a sudden fright or intense astonishment, their hair might stand on end, which is this phrase's most well-known usage.
Often, this expression is used metaphorically to extend beyond its literal meaning. It can be applied to situations where individuals or groups find themselves in a state of heightened or intense awareness, anticipation, or alertness, making it an apt description for a tense or highly charged atmosphere. Similarly, "standing on end" can be utilised to portray the reaction of an audience to a thrilling or captivating performance, as it suggests an excited or mesmerized response.
In summary, "standing on end" denotes a physical or emotional state wherein objects, typically hair or feathers, are in an upright or erect position. This idiom is most commonly associated with responses to alarm, surprise, or intense emotional reactions, but it can also be metaphorically applied to describe heightened awareness or the captivated response of an audience.
