Reek/riːk/ Definition 1 of 2Pro Tip 1/3Negative Implication Using 'reek' in reference to smells suggests a strong, negative reaction. His room reeked of stale pizza and sweat. Pro Tip 2/3Intensity Matters 'Reek' implies a smell is intense and pervasive, easily noticed by others. The entire hallway reeked of burnt popcorn. Pro Tip 3/3Physical Discomfort 'Reek' can suggest the smell causes physical discomfort or offense. People covered their noses; the dumpster reeked.