Stick/stɪk/ Definition 1 of 6Pro Tip 1/2Common Idioms The noun 'stick' is often used in sports and outdoor activity-related idioms. Let's stick to the beaten path to avoid getting lost. Pro Tip 2/2Metaphorical Use 'Stick' can metaphorically mean support or reinforcement in different contexts. I’ll always stick by you, no matter what happens.