Scare alerts. SCARE definition: 1. scare /skɛr/ v. Despite the scare there are no plans to withdraw the drug. a sudden feeling of fear or worry: 3. To become frightened: a child who scares easily. She isn't scared easily. SCARE definition: to fill, especially suddenly, with fear or terror; frighten; alarm. 1. suddenly, with fear; frighten: [~ + object] Something scared her. SCARE meaning: 1 : to cause (someone) to become afraid frighten; 2 : to become afraid SCARE meaning: 1.