Take evasive action Definition 1 of 1Pro Tip 1/3Urgency Implied Suggests immediate action. When someone takes evasive action, they act without delay. The presence of smoke caused the crew to take evasive action. Pro Tip 2/3Danger Averted Action is to avoid a potential hazard. It is a response to an imminent threat. To avoid the collision, the cyclist had to take evasive action. Pro Tip 3/3Quick Reflexes Often involves instinctive reactions. It's not preplanned but a spontaneous response. The hikers took evasive action when they stumbled upon a bear.