Scare to death is a common phrase used to describe a feeling of extreme fear or anxiety. The word 'scare' in this phrase refers to something that causes one to feel frightened or intimidated, while 'death' suggests a sense of finality or extreme consequences. Some antonyms for scare to death could include 'calm,' 'comfort,' 'relax,' 'soothe,' or 'reassure'. These words all suggest a sense of ease or relief, rather than fear or anxiety. Other antonyms may include 'encourage,' 'empower,' or 'inspire,' which suggest a sense of bravery, confidence, or strength, rather than intense fear.