A guide is someone who shows others the way or helps them understand something unfamiliar. A museum guide walks visitors through exhibits, explaining what they're seeing and why it matters. A mountain guide leads hikers safely up dangerous trails, knowing where hidden crevasses lie and when storms might roll in. Your older sister might guide you through your first day at a new school, showing you where the cafeteria is and introducing you to her friends.

The word also refers to a book or resource that explains how to do something. A field guide helps you identify birds or wildflowers. A travel guide describes interesting places to visit in a city. You might follow a guide to learn origami or build a model airplane.

As a verb, to guide means to lead or direct someone. A teacher guides students through a difficult math concept. A coach guides an athlete toward better technique. When you guide a younger child across a busy street, you're keeping them safe while helping them learn.

Good guides don't just know the way themselves: they understand how to help others learn and navigate successfully. They combine knowledge with patience, making unfamiliar territory feel manageable and safe.