Hike/haɪk/ Definition 1 of 4Pro Tip 1/3Outdoor Activity Use 'hike' to talk about a recreational walk in nature, not a short walk or stroll. The four-hour mountain hike was breathtaking. Pro Tip 2/3Physical Effort 'Hike' implies a certain level of physical challenge or exertion, unlike a casual walk. Be prepared for the hike; it's quite a workout. Pro Tip 3/3Preparation Needed When going on a hike, it often involves planning and bringing specific gear or supplies. Don't forget to pack water and snacks for the hike.