buːst buːst haɪk haɪk ˈhaɪkɪŋ tɹæmp a long walk usually for exercise or pleasure she enjoys a hike in her spare time walk a long way, as for pleasure or physical exercise We were hiking in Colorado hike the Rockies increase The landlord hiked up the rents the amount a salary is increased he got a 3% raise he got a wage hike an increase in cost they asked for a 10% rise in rates